@article{ZVMMF_1991_31_1_a5,
     author = {Yu. B. Suris},
     title = {Preservation of integral invariants for the numerical solution of systems of the form $\ddot x=K\dot x+f(x)$},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {52--63},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_1_a5/}
}