@article{10_21136_CPM_1973_117810,
     author = {Schwabik, \v{S}tefan},
     title = {On a modified sum integral of {Stieltjes} type},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {274--277},
     publisher = {mathdoc},
     volume = {098},
     number = {3},
     year = {1973},
     doi = {10.21136/CPM.1973.117810},
     mrnumber = {0322114},
     zbl = {0266.26007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1973.117810/}
}