@article{DAN_1978_239_4_a8,
     author = {Yu. P. Lapenko},
     title = {On an estimate of the sum of deficiencies of entire functions of completely regular growth},
     journal = {Doklady Akademii Nauk},
     pages = {785--788},
     publisher = {mathdoc},
     volume = {239},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_4_a8/}
}