@article{10_21136_CMJ_1961_100464,
     author = {Vejvoda, O.},
     title = {On perturbed nonlinear boundary value problems},
     journal = {Czechoslovak Mathematical Journal},
     pages = {323--364},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1961},
     doi = {10.21136/CMJ.1961.100464},
     mrnumber = {0133535},
     zbl = {0100.08602},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1961.100464/}
}