@article{DAN_1984_276_1_a6, author = {A. A. Martynyuk}, title = {The inclusion principle for standard systems}, journal = {Doklady Akademii Nauk}, pages = {34--37}, publisher = {mathdoc}, volume = {276}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_276_1_a6/} }