@article{IVM_1967_12_a0,
     author = {L. M. Berkovich},
     title = {Factorization of ordinary linear differential operators that can be transformed into operators with constant {coefficients.~II}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--14},
     publisher = {mathdoc},
     number = {12},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1967_12_a0/}
}