TY - JOUR AU - I. I. Sharapudinov TI - Sobolev-orthogonal systems of functions and the Cauchy problem for ODEs JO - Izvestiya. Mathematics PY - 2019 SP - 391 EP - 412 VL - 83 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2019_83_2_a10/ LA - en ID - IM2_2019_83_2_a10 ER -