@article{1195523738,
author = {Nakagawa, Ry\=osuke},
title = {On the definition of the cross and Whitehead products in the axiomatic homotopy theory, I},
journal = {Proc. Japan Acad.},
volume = {37},
number = {10},
year = {1961},
pages = { 196-199},
language = {en},
url = {http://dml.mathdoc.fr/item/1195523738}
}
Nakagawa, Ryōsuke. On the definition of the cross and Whitehead products in the axiomatic homotopy theory, I. Proc. Japan Acad., Tome 37 (1961) no. 10, pp. 196-199. http://gdmltest.u-ga.fr/item/1195523738/