@article{10_21136_CPM_1960_108387,
     author = {Vorel, Zden\v{e}k},
     title = {Estimates of the distance of two solutions based on the theory of generalized differential equations},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {158--187},
     publisher = {mathdoc},
     volume = {085},
     number = {2},
     year = {1960},
     doi = {10.21136/CPM.1960.108387},
     mrnumber = {0140797},
     zbl = {0114.04102},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1960.108387/}
}