@article{107305, author = {Ivana Horov\'a}, title = {On the variational principles for partial differential equations}, journal = {Archivum Mathematicum}, volume = {024}, year = {1988}, pages = {17-23}, zbl = {0675.35003}, mrnumber = {983004}, language = {en}, url = {http://dml.mathdoc.fr/item/107305} }
Horová, Ivana. On the variational principles for partial differential equations. Archivum Mathematicum, Tome 024 (1988) pp. 17-23. http://gdmltest.u-ga.fr/item/107305/
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