@article{IM2_1967_1_5_a5,
     author = {V. A. Andrunakievich and Yu. M. Ryabukhin},
     title = {The additive theory of ideals in systems with residuals},
     journal = {Izvestiya. Mathematics },
     pages = {1011--1040},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1967},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a5/}
}