%0 Journal Article %A Chvátal, Martin %A Došlý, Ondřej %T Variational method and conjugacy criteria for half-linear differential equations %J Archivum mathematicum %D 2013 %P 9-16 %V 49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5817/AM2013-1-9/ %R 10.5817/AM2013-1-9 %G en %F 10_5817_AM2013_1_9