TY - JOUR AU - L. Yu. Blazhennova-Mikulich TI - Modeling of instrument errors and external actions in navigational problems JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1990 SP - 44 EP - 48 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1990_4_a10/ LA - ru ID - VMUMM_1990_4_a10 ER -