@article{IVM_1957_1_a17,
     author = {P. A. Murav'ev},
     title = {Solution by the operational method of certain $n$th-order differential equations with retarded argument (with different lags)},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {175--187},
     publisher = {mathdoc},
     number = {1},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1957_1_a17/}
}