@article{MASLO_1980__30_2_a3,
     author = {Gregu\v{s}, Michal, Jr.},
     title = {The existence of a solution of a nonlinear boundary value problem},
     journal = {Mathematica slovaca},
     pages = {127--132},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1980},
     mrnumber = {587237},
     zbl = {0445.34003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1980__30_2_a3/}
}