## Contents of Volume 47, Number 4

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- Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 47, Number 4 (1941)
- Bull. Amer. Math. Soc.
**47**(1941)

- Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 47, Number 4 (1941)
- Bull. Amer. Math. Soc.
**47**(1941)

- Some aspects of the problem of mathematical rigor
- Haskell B. Curry PDF
- Bull. Amer. Math. Soc.
**47**(1941), 221-241

- Space Cremona transformations of order $m + n - 1$
- Edwin J. Purcell PDF
- Bull. Amer. Math. Soc.
**47**(1941), 242-246

- Note on autopolar curves
- Malcolm Foster PDF
- Bull. Amer. Math. Soc.
**47**(1941), 247-253

- On the equation ${{dy} \left / {\vphantom {{dy} {dx = f\left ( {x, y} \right )}}} \right . \kern -\nulldelimiterspace {dx = f\left ( {x, y} \right )}}$
- André Gleyzal PDF
- Bull. Amer. Math. Soc.
**47**(1941), 254-256

- Note on interpolation
- G. Grünwald PDF
- Bull. Amer. Math. Soc.
**47**(1941), 257-260

- On derivatives of orthogonal polynomials. II
- H. L. Krall PDF
- Bull. Amer. Math. Soc.
**47**(1941), 261-264

- Note on probability implication
- Hans Reichenbach PDF
- Bull. Amer. Math. Soc.
**47**(1941), 265-267

- On the analogue for differential equations of the Hilbert-Netto theorem
- Richard Cohn PDF
- Bull. Amer. Math. Soc.
**47**(1941), 268-270

- On a convergence theorem for the Lagrange interpolation polynomials
- G. Grünwald PDF
- Bull. Amer. Math. Soc.
**47**(1941), 271-275

- Discontinuous convex solutions of difference equations
- Fritz John PDF
- Bull. Amer. Math. Soc.
**47**(1941), 275-281

- Moment problem for a bounded region
- L. B. Hedge PDF
- Bull. Amer. Math. Soc.
**47**(1941), 282-285

- Note on an integral of Bierens de Haan
- Thomas James Higgins PDF
- Bull. Amer. Math. Soc.
**47**(1941), 286-287

- Elementary proof of a theorem on Lorentz matrices
- E. R. van Kampen PDF
- Bull. Amer. Math. Soc.
**47**(1941), 288-290

- Errors in Hayashi’s table of Bessel functions for complex arguments
- Arnold N. Lowan and Gertrude Blanch PDF
- Bull. Amer. Math. Soc.
**47**(1941), 291-293

- Recurrence of symbolic elements in dynamics
- Rufus Oldenburger PDF
- Bull. Amer. Math. Soc.
**47**(1941), 294-297

- Comments on canonical lines
- R. B. Rasmusen and B. L. Hagen PDF
- Bull. Amer. Math. Soc.
**47**(1941), 298-302

- A note on a theorem by Witt
- Robert M. Thrall PDF
- Bull. Amer. Math. Soc.
**47**(1941), 303-308

- Non-involutorial space transformations associated with a $Q_{1,2}$ congruence
- A. B. Cunningham PDF
- Bull. Amer. Math. Soc.
**47**(1941), 309-312

- Reflexive Banach spaces not isomorphic to uniformly convex spaces
- Mahlon M. Day PDF
- Bull. Amer. Math. Soc.
**47**(1941), 313-317

- Differential and integral invariants of plane curves and horn angles
- J. M. Feld PDF
- Bull. Amer. Math. Soc.
**47**(1941), 318-327

- On a property of $k$ consecutive integers
- Alfred Brauer PDF
- Bull. Amer. Math. Soc.
**47**(1941), 328-331

- A correction to “a remark on the sum and the intersection of two normal ideals in an algebra”
- Tadasi Nakayama PDF
- Bull. Amer. Math. Soc.
**47**(1941), 332