TY - JOUR AU - I. V. Lisachenko AU - V. I. Sumin TI - The maximum principle for terminal optimization problem connected with Goursat–Darboux system in the class of functions having summable mixed derivatives JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2011 SP - 52 EP - 67 IS - 2 UR - http://geodesic.mathdoc.fr/item/VUU_2011_2_a3/ LA - ru ID - VUU_2011_2_a3 ER -