@article{TRSPY_2007_259_a12,
     author = {D. V. Treschev},
     title = {Noncommutative {Structures}},
     journal = {Informatics and Automation},
     pages = {203--242},
     publisher = {mathdoc},
     volume = {259},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2007_259_a12/}
}