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@article{AUM_2012_66_1_a0, author = {Cie\'slak, Waldemar and Szczygielska, Elzbieta}, title = {Affine invariants of annuli}, journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica }, publisher = {mathdoc}, volume = {66}, number = {1}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUM_2012_66_1_a0/} }
Cieślak, Waldemar; Szczygielska, Elzbieta. Affine invariants of annuli. Annales Universitatis Mariae Curie-Skłodowska. Mathematica , Tome 66 (2012) no. 1. http://geodesic.mathdoc.fr/item/AUM_2012_66_1_a0/
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