@article{FAA_1969_3_2_a12,
     author = {D. Przeworska-Rolewicz},
     title = {On categories and pseudocategories},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {93},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1969_3_2_a12/}
}