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@article{MZ_1987__196_173884, author = {G. Galusinki}, title = {Retractions r\'eguli\`eres.}, journal = {Mathematische Zeitschrift}, pages = {315--322}, publisher = {mathdoc}, volume = {196}, year = {1987}, zbl = {0639.32014}, url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173884/} }
G. Galusinki. Retractions régulières.. Mathematische Zeitschrift, Tome 196 (1987), pp. 315-322. http://geodesic.mathdoc.fr/item/MZ_1987__196_173884/