Two theorems on product complexes
Compositio Mathematica, Volume 4  (1937), p. 285-286
@article{CM_1937__4__285_0,
     author = {Wilson, Wilfrid},
     title = {Two theorems on product complexes},
     journal = {Compositio Mathematica},
     publisher = {Johnson Reprint Corporation},
     volume = {4},
     year = {1937},
     pages = {285-286},
     zbl = {0016.23001},
     language = {en},
     url = {http://www.numdam.org/item/CM_1937__4__285_0}
}
Wilson, Wilfrid. Two theorems on product complexes. Compositio Mathematica, Volume 4 (1937) , pp. 285-286. http://www.numdam.org/item/CM_1937__4__285_0/