@article{102246, author = {Alois \v Svec}, title = {On the Pick invariant}, journal = {Czechoslovak Mathematical Journal}, volume = {38}, year = {1988}, pages = {493-497}, zbl = {0669.53011}, mrnumber = {950304}, language = {en}, url = {http://dml.mathdoc.fr/item/102246} }
Švec, Alois. On the Pick invariant. Czechoslovak Mathematical Journal, Tome 38 (1988) pp. 493-497. http://gdmltest.u-ga.fr/item/102246/
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