TY - JOUR AU - G. D. Stepanov TI - An oscillation criterion for the Green’s function of a two-point boundary value problem JO - Doklady Akademii Nauk PY - 1973 SP - 793 EP - 794 VL - 213 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_213_4_a10/ LA - ru ID - DAN_1973_213_4_a10 ER -