@article{DAN_1972_205_6_a1,
     author = {E. A. Volkov},
     title = {A bilateral difference method for nonlinear and spectral problems in ordinary differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {1274--1276},
     publisher = {mathdoc},
     volume = {205},
     number = {6},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_6_a1/}
}