@article{VMUMM_1990_4_a10,
     author = {L. Yu. Blazhennova-Mikulich},
     title = {Modeling of instrument errors and external actions in navigational problems},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {44--48},
     publisher = {mathdoc},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_4_a10/}
}