@article{RM_1968_23_3_a5,
     author = {N. N. Bogolyubov and I. Ts. Gokhberg and G. E. Shilov},
     title = {Mark {Grigor'evich} {Krein} (on his sixtieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {177--192},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_3_a5/}
}