@article{DAN_1962_147_4_a8,
     author = {S. Yu. Maslov},
     title = {Transformation of arbitrary canonical calculi into canonical calculi of special types},
     journal = {Doklady Akademii Nauk},
     pages = {779--782},
     publisher = {mathdoc},
     volume = {147},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a8/}
}