@article{MZM_1981_29_2_a10,
     author = {V. F. Kirichenko},
     title = {$K$-algebras and $K$-spaces of constant type with indefinite metric},
     journal = {Matemati\v{c}eskie zametki},
     pages = {265--278},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_2_a10/}
}