Group extensions and homology

[1] Alexandroff P, 1935, TOPOLOGIE, VI, P79

[2] Expansion of groups and their isomorphism. [J]. MATHEMATISCHE ZEITSCHRIFT, 1934, 38 : 375 - 416

[3] CECH E, 1935, FUND MATH, V25, P33

[4] Cohomology and continuous mappings [J]. ANNALS OF MATHEMATICS, 1940, 41 : 231 - 251

[5] EILENBERG S, 1941, P NATL ACAD SCI USA, V27, P353

[6] Group rings and extensions. I [J]. ANNALS OF MATHEMATICS, 1938, 39 : 220 - 234

[7] LEFSCHETZ S, 1942, AM MATH SOC C SERIES, V27

[8] Pontrjagin, 1939, TOPOLOGICAL GROUPS

[9] Universal homology groups [J]. AMERICAN JOURNAL OF MATHEMATICS, 1936, 58 : 661 - 701

[10] Regular cycles of compact metric spaces [J]. ANNALS OF MATHEMATICS, 1940, 41 : 833 - 851

[1] Alexandroff P, 1935, TOPOLOGIE, VI, P79

[2] Expansion of groups and their isomorphism. [J]. MATHEMATISCHE ZEITSCHRIFT, 1934, 38 : 375 - 416

[3] CECH E, 1935, FUND MATH, V25, P33

[4] Cohomology and continuous mappings [J]. ANNALS OF MATHEMATICS, 1940, 41 : 231 - 251

[5] EILENBERG S, 1941, P NATL ACAD SCI USA, V27, P353

[6] Group rings and extensions. I [J]. ANNALS OF MATHEMATICS, 1938, 39 : 220 - 234

[7] LEFSCHETZ S, 1942, AM MATH SOC C SERIES, V27

[8] Pontrjagin, 1939, TOPOLOGICAL GROUPS

[9] Universal homology groups [J]. AMERICAN JOURNAL OF MATHEMATICS, 1936, 58 : 661 - 701

[10] Regular cycles of compact metric spaces [J]. ANNALS OF MATHEMATICS, 1940, 41 : 833 - 851