@article{RM_1987_42_5_a16,
     author = {Yu. M. Berezanskii and N. N. Bogolyubov and Yu. L. Daletskii and P. A. Kuchment and B. Ya. Levin and V. P. Maslov and S. P. Novikov and E. M. Semenov},
     title = {Selim {Grigor'evich} {Krein} (on~his seventieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {181--183},
     publisher = {mathdoc},
     volume = {42},
     number = {5},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1987_42_5_a16/}
}