@article{RM_1965_20_2_a5,
     author = {M. A. Aizerman and M. G. Krein and L. A. Lyusternik and M. A. Naimark and L. S. Pontryagin and S. L. Sobolev and S. A. Khristianovich and Ya. B. Shor},
     title = {Feliks {Ruvimovich} {Gantmakher} (obituary)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {143--151},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1965},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1965_20_2_a5/}
}