TY - JOUR AU - F. Zh. Sadyrbaev TI - Regularity of solutions in the fundamental problem of the classical calculus of variations JO - Matematičeskie zametki PY - 1992 SP - 97 EP - 101 VL - 52 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a14/ LA - ru ID - MZM_1992_52_5_a14 ER -