@article{RM_1968_23_5_a10,
     author = {N. I. Morkovina},
     title = {Defence of {Theses} in {Mathematics}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_5_a10/}
}