@article{10_21136_CPM_1974_108212,
     author = {Marek, Ivo},
     title = {An inequality involving positive kernels},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {77--87},
     publisher = {mathdoc},
     volume = {099},
     number = {1},
     year = {1974},
     doi = {10.21136/CPM.1974.108212},
     mrnumber = {0355694},
     zbl = {0291.45011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1974.108212/}
}