@article{DAN_1988_301_6_a23,
     author = {K. V. Chukbar},
     title = {A universal wave equation with a nonlocal nonlinearity},
     journal = {Doklady Akademii Nauk},
     pages = {1375--1379},
     publisher = {mathdoc},
     volume = {301},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_301_6_a23/}
}