TY - JOUR AU - N. A. Lebedev AU - I. A. Aleksandrov TI - On a~variational method in classes of functions representable by means of Stieltjes integrals JO - Informatics and Automation PY - 1968 SP - 79 EP - 89 VL - 94 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1968_94_a7/ LA - ru ID - TRSPY_1968_94_a7 ER -