@article{DE_1977_13_1_a26,
     author = {N. P. Erugin and V. S. Korolyuk and O. B. Lukova},
     title = {Juriǐ {Alekseevi\v{c}} {Mitropol'skiǐ} (on the occasion of his 60th birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {177--184},
     year = {1977},
     volume = {13},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_1_a26/}
}