@article{10_1007_s10492_011_0032_1,
     author = {Yao, Qingliu},
     title = {Solvability of a class of elastic beam equations with strong {Carath\'eodory} nonlinearity},
     journal = {Applications of Mathematics},
     pages = {543--555},
     publisher = {mathdoc},
     volume = {56},
     number = {6},
     year = {2011},
     doi = {10.1007/s10492-011-0032-1},
     mrnumber = {2886237},
     zbl = {1249.34064},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-011-0032-1/}
}