Edwards, D. A., & Hastings, H. M. (1976). Cech and Steenrod Homotopy theories with applications to geometric topology. Springer-Verlag.
Παραπομπή Chicago StyleEdwards, David A., και Harold M. Hastings. Cech and Steenrod Homotopy Theories with Applications to Geometric Topology. New York: Springer-Verlag, 1976.
Παραπομπή MLAEdwards, David A., και Harold M. Hastings. Cech and Steenrod Homotopy Theories with Applications to Geometric Topology. Springer-Verlag, 1976.
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