TY - JOUR AU - V. G. Klimenko AU - V. L. Rvachev TI - The completeness with respect to energy of systems of coordinate functions which one constructs by the method of $R$-functions JO - Differencialʹnye uravneniâ PY - 1969 SP - 1724 EP - 1726 VL - 5 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_9_a18/ LA - ru ID - DE_1969_5_9_a18 ER -