TY - JOUR AU - G. P. Sobol' AU - I. M. Sobol' TI - Hypergeometric functions and ordinary linear differential equations with exponential coefficients JO - Differencialʹnye uravneniâ PY - 1979 SP - 1212 EP - 1215 VL - 15 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_7_a5/ LA - ru ID - DE_1979_15_7_a5 ER -