@article{TRSPY_1972_128_a6,
     author = {E. A. Volkov},
     title = {Two-sided difference methods for solving linear boundary-value problems for ordinary differential equations},
     journal = {Informatics and Automation},
     pages = {113--130},
     publisher = {mathdoc},
     volume = {128},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1972_128_a6/}
}