@article{AA_2005_17_5_a1,
     author = {M. Sh. Birman and T. A. Suslina},
     title = {Threshold approximations for the resolvent of a~factoried selfadjoint family with corrector},
     journal = {Algebra i analiz},
     pages = {69--90},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2005_17_5_a1/}
}