@article{IVM_1977_2_a11,
     author = {G. N. Mil'shtein},
     title = {Extension of semigroups of operators to locally convex spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {91--95},
     publisher = {mathdoc},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_2_a11/}
}