Zwei Bemerkungen zur Homologietheorie
Compositio Mathematica, Volume 5  (1938), p. 315-318
@article{CM_1938__5__315_0,
     author = {Freudenthal, Hans},
     title = {Zwei Bemerkungen zur Homologietheorie},
     journal = {Compositio Mathematica},
     publisher = {Johnson Reprint Corporation},
     volume = {5},
     year = {1938},
     pages = {315-318},
     zbl = {0018.17801},
     language = {de},
     url = {http://www.numdam.org/item/CM_1938__5__315_0}
}
Freudenthal, Hans. Zwei Bemerkungen zur Homologietheorie. Compositio Mathematica, Volume 5 (1938) , pp. 315-318. http://www.numdam.org/item/CM_1938__5__315_0/