@incollection{JEDP_1991____A10_0,
     author = {Ivrii, Victor},
     title = {Eigenvalue asymptotics for {Schr\"odinger} and {Dirac} operators with the constant magnetic field and with electric potential decreasing at infinity},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {10},
     pages = {1--5},
     publisher = {Ecole polytechnique},
     year = {1991},
     zbl = {0738.35050},
     language = {en},
     url = {http://www.numdam.org/item/JEDP_1991____A10_0/}
}