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@article{DMGAA_2004_24_2_a4, author = {\v{C}ern\'ak, \v{S}tefan}, title = {Convergence with a regulator in directed groups}, journal = {Discussiones Mathematicae. General Algebra and Applications}, pages = {211--223}, publisher = {mathdoc}, volume = {24}, number = {2}, year = {2004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DMGAA_2004_24_2_a4/} }
Černák, Štefan. Convergence with a regulator in directed groups. Discussiones Mathematicae. General Algebra and Applications, Tome 24 (2004) no. 2, pp. 211-223. http://geodesic.mathdoc.fr/item/DMGAA_2004_24_2_a4/