@article{RM_1976_31_2_a3,
     author = {A. N. Kostovskii and L. N. Lisevich and Ya. G. Pritula},
     title = {Aleksandr {Sergeevich} {Kovan'ko} (obituary)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {209--213},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1976_31_2_a3/}
}