@article{120423, author = {Sylvain Gravier}, title = {Tilings and isoperimetrical shapes. II. Hexagonal lattice}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {40}, year = {2001}, pages = {79-92}, zbl = {1042.52018}, mrnumber = {1904687}, language = {en}, url = {http://dml.mathdoc.fr/item/120423} }
Gravier, Sylvain. Tilings and isoperimetrical shapes. II. Hexagonal lattice. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 40 (2001) pp. 79-92. http://gdmltest.u-ga.fr/item/120423/
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