@article{SM_1995_80_2_a10,
     author = {P. P. Zhuk},
     title = {Asymptotic behavior of the~$s$-step method of steepest descent for eigenvalue problems in {Hilbert} space},
     journal = {Sbornik. Mathematics},
     pages = {467--495},
     year = {1995},
     volume = {80},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_80_2_a10/}
}