• [1] S. Banach Sur une classe de fonctions d'ensemble, Fundamenta Mathematicae, vol. 6 (1924), pp. 170-188.
• [1] Gilbert Ames Bliss, The Weierstrass 𝐹-function for problems of the calculus of variations in space, Trans. Amer. Math. Soc. 15 (1914), no. 4, 369–378. MR 1500985, http://dx.doi.org/10.1090/S0002-9947-1914-1500985-7
• [1] Philip Franklin and Norbert Wiener, Analytic approximations to topological transformations, Trans. Amer. Math. Soc. 28 (1926), no. 4, 762–785. MR 1501373, http://dx.doi.org/10.1090/S0002-9947-1926-1501373-8
• [1] E. J. McShane, On the semi-continuity of double integrals in the calculus of variations, Ann. of Math. (2) 33 (1932), no. 3, 460–484. MR 1503070, http://dx.doi.org/10.2307/1968529
• [2] E. J. McShane, Integrals over surfaces in parametric form, Ann. of Math. (2) 34 (1933), no. 4, 815–838. MR 1503135, http://dx.doi.org/10.2307/1968701
• [1] Charles B. Morrey Jr., A Class of Representations of Manifolds. Part I, Amer. J. Math. 55 (1933), no. 1-4, 683–707. MR 1507929, http://dx.doi.org/10.2307/2371162
• [1] Tibor Rado, A Remark on the Area of Surfaces, Amer. J. Math. 58 (1936), no. 3, 598–606. MR 1507184, http://dx.doi.org/10.2307/2370978
• [2] -On the derivative of the Lebesgue area of continuous surfaces, Fundamenta Mathematicae, vol. 30 (1938), pp. 34-39.
• [3] -On absolutely continuous transformations in the plane, Duke Mathematical Journal, vol. 4 (1938), pp. 190-221.
• [4] Tibor Radó, On a lemma of McShane, Ann. of Math. (2) 42 (1941), 73–83. MR 0003433 (2,219b)

Bibliography

[1]

S. Banach Sur une classe de fonctions d'ensemble, Fundamenta Mathematicae, vol. 6 (1924), pp. 170-188.

[1]

G. A. Bliss The Weierstrass -function for problems of the calculus of variations in space, these Transactions, vol. 15 (1914), pp. 369-378. MR 1500985

[1]

P. Franklin and N. Wiener Analytical approximations to topological transformations, these Transactions, vol. 28 (1926), pp. 762-785. MR 1501373

[1]

E. J. McShane On the semi-continuity of double integrals in the calculus of variations, Annals of Mathematics, (2), vol. 33 (1932), pp. 460-184. MR 1503070

[2]

-Integrals over surfaces in parametric form, Annals of Mathematics, (2), vol. 34 (1933), pp. 815-838. MR 1503135

[1]

C. B. Morrey A class of representations of manifolds, I, American Journal of Mathematics, vol. 55 (1933), pp. 683-707. MR 1507929

[1]

T. Radó A remark on the area of surfaces, American Journal of Mathematics, vol. 58 (1936), pp. 598-606. MR 1507184

[2]

-On the derivative of the Lebesgue area of continuous surfaces, Fundamenta Mathematicae, vol. 30 (1938), pp. 34-39.

[3]

-On absolutely continuous transformations in the plane, Duke Mathematical Journal, vol. 4 (1938), pp. 190-221.

[4]

-On a lemma of McShane, Annals of Mathematics, (2), vol. 42 (1941), pp. 73-83. MR 0003433 (2:219b)