@article{DAN_1990_314_1_a12,
     author = {F. F. Ivanauskas},
     title = {Difference schemes for nonlinear {Schr\"odinger} type equations},
     journal = {Doklady Akademii Nauk},
     pages = {55--58},
     publisher = {mathdoc},
     volume = {314},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a12/}
}