@article{ZNSL_2015_436_a2,
     author = {G. G. Amosov and I. Yu. Zhdanovskiy},
     title = {On the noncommutative deformation of the operator graph corresponding to the {Klein} group},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {49--75},
     publisher = {mathdoc},
     volume = {436},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_436_a2/}
}