@article{RM_1968_23_1_a15,
     author = {V. A. Dobrovol'skii},
     title = {Distinguished {Ukrainian} mathematician {Mikhail} {Filippovich} {Kravchuk} (on his 75th birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1968},
     volume = {23},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_1_a15/}
}