@article{RM_1960_15_6_a1,
     author = {M. S. Tsalenko},
     title = {On the foundations of the theory of categories},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {47--51},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1960},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1960_15_6_a1/}
}