@article{MAT_1959_3_2_a0,
     author = {D. M. Kan},
     title = {Adjoint functors},
     journal = {Matematika},
     pages = {3--38},
     year = {1959},
     volume = {3},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1959_3_2_a0/}
}