@article{RM_1975_30_5_a4,
     author = {Yu. M. Berezanskii and I. M. Gel'fand and B. Ya. Levin and V. A. Marchenko and K. V. Maslov},
     title = {Aleksandr {Yakovlevich} {Povzner} (on his sixtieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {177--183},
     publisher = {mathdoc},
     volume = {30},
     number = {5},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1975_30_5_a4/}
}