Arkowitz, M., & Curjel, R. (1967). Groups of homotopy classes: Rank formulas and homotopy-commutativity. Berlín: Springer.
Chicago Style CitationArkowitz, M., and R. Curjel. Groups of Homotopy Classes: Rank Formulas and Homotopy-commutativity. Berlín: Springer, 1967.
MLA CitationArkowitz, M., and R. Curjel. Groups of Homotopy Classes: Rank Formulas and Homotopy-commutativity. Berlín: Springer, 1967.
Warning: These citations may not always be 100% accurate.