@article{ARM_1999__35_2_a7,
     author = {Ma\v{r}{\'\i}k, Robert},
     title = {Nonnegativity of functionals corresponding to the second order half-linear differential equation},
     journal = {Archivum mathematicum},
     pages = {155--164},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1999},
     mrnumber = {1711728},
     zbl = {1055.49012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1999__35_2_a7/}
}