Homotopy relations in fibre spaces

[1] Hurewicz W, 1935, P K AKAD WET-AMSTERD, V38, P112

[2] Hurewicz W, 1936, P K AKAD WET-AMSTERD, V39, P215

[3] Hurewicz W, 1936, P K AKAD WET-AMSTERD, V39, P117

[4] On the theory of sphere-bundles [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1940, 26 : 148 - 153

[5] 1935, P NATL ACAD SCI USA, V21, P464

[6] 1937, COMPOISITIO MATH, V5, P299

[1] Hurewicz W, 1935, P K AKAD WET-AMSTERD, V38, P112

[2] Hurewicz W, 1936, P K AKAD WET-AMSTERD, V39, P215

[3] Hurewicz W, 1936, P K AKAD WET-AMSTERD, V39, P117

[4] On the theory of sphere-bundles [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1940, 26 : 148 - 153

[5] 1935, P NATL ACAD SCI USA, V21, P464

[6] 1937, COMPOISITIO MATH, V5, P299