@article{AA_2010_22_2_a0,
     author = {M. S. Bichegkuev},
     title = {To the theory of infinitely differentiable semigroups of operators},
     journal = {Algebra i analiz},
     pages = {1--13},
     year = {2010},
     volume = {22},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2010_22_2_a0/}
}