@article{RM_1990_45_5_a17,
     author = {V. G. Zvyagin and M. A. Krasnosel'skii and A. S. Mishchenko and Yu. I. Sapronov and V. I. Sobolev},
     title = {Yurii {Grigor'evich} {Borisovich} (on his sixtieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {243--245},
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1990_45_5_a17/}
}