• [1] Samuel Eilenberg and Norman Steenrod, Foundations of algebraic topology, Princeton University Press, Princeton, New Jersey, 1952. MR 0050886 (14,398b)
• [2] John Milnor, On spaces having the homotopy type of a 𝐶𝑊-complex, Trans. Amer. Math. Soc. 90 (1959), 272–280. MR 0100267 (20 #6700), http://dx.doi.org/10.1090/S0002-9947-1959-0100267-4
• [3] Edwin H. Spanier, Algebraic topology, McGraw-Hill Book Co., New York, 1966. MR 0210112 (35 #1007)
• [4] E. Spanier, Borsuk’s cohomotopy groups, Ann. of Math. (2) 50 (1949), 203–245. MR 0029170 (10,559c)
• [5] N. E. Steenrod, A convenient category of topological spaces, Michigan Math. J. 14 (1967), 133–152. MR 0210075 (35 #970)
• [6] George W. Whitehead, Generalized homology theories, Trans. Amer. Math. Soc. 102 (1962), 227–283. MR 0137117 (25 #573), http://dx.doi.org/10.1090/S0002-9947-1962-0137117-6

Bibliography

[1]

S. Eilenberg and N. E. Steenrod, Foundations of algebraic topology, Princeton Univ. Press, Princeton, N. J., 1952. MR 14, 398. MR 0050886 (14:398b)

[2]

J. Milnor, On spaces having the homotopy type of -complex, Trans. Amer. Math. Soc. 90 (1959), 272-280. MR 20 #6700. MR 0100267 (20:6700)

[3]

E. H. Spanier, Algebraic topology, McGraw-Hill, New York, 1966. MR 35 #1007. MR 0210112 (35:1007)

[4]

-, Borsuk's cohomotopy groups, Ann. of Math. (2) 50 (1949), 203-245. MR 10, #559. MR 0029170 (10:559c)

[5]

N. E. Steenrod, A convenient category of topological spaces, Michigan Math. J. 14 (1967), 133-152. MR 35 #970. MR 0210075 (35:970)

[6]

G. W. Whitehead, Generalized homology theories, Trans. Amer. Math. Soc. 102 (1962), 227-283. MR 25 #573. MR 0137117 (25:573)