@article{RM_1981_36_1_a24,
     author = {S. G. Krein and E. M. Semenov},
     title = {XIV {Voronezh} {Winter} {Mathematical} {School}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1981_36_1_a24/}
}