@article{DAN_1962_142_5_a1,
     author = {B. M. Budak},
     title = {On homogeneous differential-difference schemes of second-order accuracy for parabolic and hyperbolic equations with discontinuous coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {986--989},
     publisher = {mathdoc},
     volume = {142},
     number = {5},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a1/}
}