@article{DAN_1958_121_3_a5,
     author = {L. N. Kotova},
     title = {A linearized estimate of the error involved in the numerical integration of the simultaneous differential equations of the 
},
     journal = {Doklady Akademii Nauk},
     pages = {418--421},
     publisher = {mathdoc},
     volume = {121},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_3_a5/}
}