@article{IVM_1982_7_a16,
     author = {Ha Huy Bang and Yu. F. Korobeinik},
     title = {The applicability of composite differential operators to some classes of exponential functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--85},
     publisher = {mathdoc},
     number = {7},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1982_7_a16/}
}