@article{AA_2021_33_2_a9,
     author = {V. A. Sloushch and T. A. Suslina},
     title = {Threshold approximations for the resolvent of a polynomial nonnegative operator pencil},
     journal = {Algebra i analiz},
     pages = {233--274},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2021_33_2_a9/}
}