@article{MZM_1996_60_3_a19,
     author = {V. P. Maslov and O. Yu. Shvedov},
     title = {Approximate nonsymmetric solutions of many-particle equations and some identities for the density matrix},
     journal = {Matemati\v{c}eskie zametki},
     pages = {463--467},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a19/}
}