@article{FPM_1999_5_3_a22,
     author = {V. I. Kopeiko},
     title = {Symplectic groups over {Laurent} polynomial rings and patching diagrams},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {943--945},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1999_5_3_a22/}
}