@article{1250775911,
author = {Sugawara, Masahiro},
title = {On the homotopy-commutativity of groups and loop spaces},
journal = {Mem. College Sci. Univ. Kyoto Ser. A Math.},
volume = {33},
number = {2},
year = {1960},
pages = { 257-269},
language = {en},
url = {http://dml.mathdoc.fr/item/1250775911}
}
Sugawara, Masahiro. On the homotopy-commutativity of groups and loop spaces. Mem. College Sci. Univ. Kyoto Ser. A Math., Tome 33 (1960) no. 2, pp. 257-269. http://gdmltest.u-ga.fr/item/1250775911/