@article{TIMB_2012_20_1_a10,
     author = {A. N. Tanyhina},
     title = {On the convergence of {Ulm's} method for equations with regularly smooth operators},
     journal = {Trudy Instituta matematiki},
     pages = {104--110},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2012_20_1_a10/}
}