@article{RSMUP_2011__125__39_0, author = {Martini, H. and Mozgawa, W.}, title = {An integral formula related to inner isoptics}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {126}, year = {2011}, pages = {39-50}, mrnumber = {2865958}, zbl = {1252.52003}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_2011__125__39_0} }
Martini, H.; Mozgawa, W. An integral formula related to inner isoptics. Rendiconti del Seminario Matematico della Università di Padova, Tome 126 (2011) pp. 39-50. http://gdmltest.u-ga.fr/item/RSMUP_2011__125__39_0/
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