TY - JOUR AU - Ioffe, Alexander TI - On necessary conditions in the generalized Bolza problem JO - Serdica Mathematical Journal PY - 2023 SP - 9 EP - 32 VL - 49 IS - 1–3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2023_49_1_3_a1/ LA - en ID - SMJ2_2023_49_1_3_a1 ER -