@article{AA_1996_8_1_a4,
     author = {G. M. Zhislin},
     title = {The essential spectrum of many-particle systems in magnetic fields},
     journal = {Algebra i analiz},
     pages = {127--136},
     year = {1996},
     volume = {8},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1996_8_1_a4/}
}