@article{CHEB_2019_20_4_a17,
     author = {U. M. Pachev and T. A. Shakova},
     title = {On units of a quaternion order of an indefinite anisotropic ternary quadratic form},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {270--280},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2019_20_4_a17/}
}