@article{1104269712, author = {Sz\aa sz, Domokos}, title = {The $K$-property of ``orthogonal'' cylindric billiards}, journal = {Comm. Math. Phys.}, volume = {159}, number = {1}, year = {1994}, pages = { 581-597}, language = {en}, url = {http://dml.mathdoc.fr/item/1104269712} }
Szåsz, Domokos. The $K$-property of ``orthogonal'' cylindric billiards. Comm. Math. Phys., Tome 159 (1994) no. 1, pp. 581-597. http://gdmltest.u-ga.fr/item/1104269712/