Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1963_7_6_a0, author = {S. MacLane}, title = {An algebra of additive relations}, journal = {Matematika}, pages = {3--12}, publisher = {mathdoc}, volume = {7}, number = {6}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1963_7_6_a0/} }
S. MacLane. An algebra of additive relations. Matematika, Tome 7 (1963) no. 6, pp. 3-12. http://geodesic.mathdoc.fr/item/MAT_1963_7_6_a0/