Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1992_31_6_a1, author = {Yu. L. Ershov}, title = {Relative regular closure and $\pi$-normalizations}, journal = {Algebra i logika}, pages = {592--623}, publisher = {mathdoc}, volume = {31}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1992_31_6_a1/} }
Yu. L. Ershov. Relative regular closure and $\pi$-normalizations. Algebra i logika, Tome 31 (1992) no. 6, pp. 592-623. http://geodesic.mathdoc.fr/item/AL_1992_31_6_a1/