HIGHER-ORDER CONDITIONS IN ABNORMAL EXTREMAL PROBLEMS WITH EQUALITY-TYPE RESTRICTIONS Article ARUTYUNOV A.V. Doklady Akademii nauk SSSR. Mezhdunarodnaya Kniga, Moscow, Russian Federation. Vol. 315. 1990. P. 521-525
ON THE THEORY OF SQUARE MAPPINGS IN BANACH-SPACES Article ARUTYUNOV A.V. Doklady Akademii nauk SSSR. Mezhdunarodnaya Kniga, Moscow, Russian Federation. Vol. 314. 1990. P. 1290-1292