@article{RM_1989_44_4_a12,
     author = {A. D. Aleksandrov and V. A. Marchenko and S. P. Novikov and Yu. G. Reshetnyak},
     title = {Aleksei {Vasil'evich} {Pogorelov} (on~his seventieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {217--223},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1989_44_4_a12/}
}