@article{DE_2006_42_4_a13,
     author = {A. E. Ruuge},
     title = {On antisymmetric quasimodes of the {Schr\"odinger} operator in the $N$-particle problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {540--548},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_4_a13/}
}