@article{DAN_1984_274_1_a0,
     author = {A. A. Bykov},
     title = {A stable numerical method for constructing a fundamental matrix},
     journal = {Doklady Akademii Nauk},
     pages = {11--14},
     publisher = {mathdoc},
     volume = {274},
     number = {1},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_1_a0/}
}