@article{1103858971, author = {Simon, Barry}, title = {Correlation inequalities and the mass gap in $P(\varphi)\_{2}$}, journal = {Comm. Math. Phys.}, volume = {29}, number = {1}, year = {1973}, pages = { 127-136}, language = {en}, url = {http://dml.mathdoc.fr/item/1103858971} }
Simon, Barry. Correlation inequalities and the mass gap in $P(\varphi)_{2}$. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 127-136. http://gdmltest.u-ga.fr/item/1103858971/