@article{SM_1967_1_3_a5,
     author = {G. S. Dranitsyn},
     title = {The {Cauchy} problem for an operator splitting into linear factors of},
     journal = {Sbornik. Mathematics},
     pages = {397--404},
     year = {1967},
     volume = {1},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_1_3_a5/}
}