@article{ZNSL_1990_180_a9,
     author = {P. P. Kulish},
     title = {Two-parameters quantum group and gauge transformation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {89--93},
     year = {1990},
     volume = {180},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_180_a9/}
}