@article{RM_1978_33_3_a26,
     author = {V. M. Adamyan and Yu. M. Berezanskii and N. N. Bogolyubov and I. S. Iokhvidov and A. N. Kolmogorov and M. A. Lavrent'ev and Yu. A. Mitropol'skii},
     title = {Mark {Grigor'evich} {Krein} (on his seventieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {185--193},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1978_33_3_a26/}
}