@article{ZVMMF_1993_33_8_a12,
     author = {V. K. Leont'ev and O. G. Tarastsov},
     title = {On the accuracy of the input data in trajectory problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1260--1264},
     publisher = {mathdoc},
     volume = {33},
     number = {8},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_8_a12/}
}