@article{DE_1979_15_7_a5,
     author = {G. P. Sobol' and I. M. Sobol'},
     title = {Hypergeometric functions and ordinary linear differential equations with exponential coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1212--1215},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_7_a5/}
}