@article{IM2_1989_33_1_a7,
     author = {M. V. Fedoryuk},
     title = {Lam\'e wave functions},
     journal = {Izvestiya. Mathematics},
     pages = {179--200},
     year = {1989},
     volume = {33},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a7/}
}