@article{RM_1986_41_5_a4,
     author = {S. M. Nikol'skii and Al. A. Privalov and P. L. Ul'yanov},
     title = {Pavel {Petrovich} {Korovkin} (obituary)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {119--121},
     publisher = {mathdoc},
     volume = {41},
     number = {5},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1986_41_5_a4/}
}