@misc{RM_1968_23_3_a17,
     title = {Mark {Grigor'evich} {Krein} (photo)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_3_a17/}
}