@article{10_21136_CPM_1990_108726,
     author = {Rach\r{u}nkov\'a, Irena},
     title = {On {Kneser} problem for differential equations of the 3rd order},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {18--27},
     publisher = {mathdoc},
     volume = {115},
     number = {1},
     year = {1990},
     doi = {10.21136/CPM.1990.108726},
     mrnumber = {1044010},
     zbl = {0696.34014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1990.108726/}
}