@article{120496, author = {Jozef Tak\'acs}, title = {Positivity theorem}, journal = {Acta Mathematica et Informatica Universitatis Ostraviensis}, volume = {03}, year = {1995}, pages = {67-(70)}, zbl = {0854.35084}, mrnumber = {1474068}, language = {en}, url = {http://dml.mathdoc.fr/item/120496} }
Takács, Jozef. Positivity theorem. Acta Mathematica et Informatica Universitatis Ostraviensis, Tome 03 (1995) pp. 67-(70). http://gdmltest.u-ga.fr/item/120496/
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