@article{AA_2000_12_5_a6,
     author = {G. V. Rozenblum},
     title = {Domination of semigroups and estimates for eigenvalues},
     journal = {Algebra i analiz},
     pages = {158--177},
     publisher = {mathdoc},
     volume = {12},
     number = {5},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2000_12_5_a6/}
}