@article{FAA_2008_42_3_a5,
     author = {A. Ya. Helemskii},
     title = {Nonmatricial {Version} of the {Arveson--Wittstock} {Extension} {Principle,} and {Its} {Generalization}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {63--70},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2008_42_3_a5/}
}