@article{SJVM_2000_3_4_a7,
     author = {M. I. Nechepurenko},
     title = {Rational operators in commutative algebras},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {369--376},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2000_3_4_a7/}
}