@article{TMF_1987_72_3_a6,
     author = {M. A. Braun},
     title = {Relationship between a~quasipotential equation and {a~Schr\"odinger} equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {394--402},
     publisher = {mathdoc},
     volume = {72},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_72_3_a6/}
}