Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1995_57_1_a12, author = {V. V. Makeev}, title = {Quadrangles inscribed in a closed curve}, journal = {Matemati\v{c}eskie zametki}, pages = {129--132}, publisher = {mathdoc}, volume = {57}, number = {1}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a12/} }
V. V. Makeev. Quadrangles inscribed in a closed curve. Matematičeskie zametki, Tome 57 (1995) no. 1, pp. 129-132. http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a12/