TY - JOUR AU - O. B. Arushanyan AU - S. F. Zaletkin TI - To the orthogonal expansion theory of the solution to the Cauchy problem for second-order ordinary differential equations JO - Numerical methods and programming PY - 2018 SP - 178 EP - 184 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMP_2018_19_2_a5/ LA - ru ID - VMP_2018_19_2_a5 ER -