@article{10_21136_MB_2008_133946,
     author = {Rudolf, Boris},
     title = {An existence and multiplicity result for a periodic boundary value problem},
     journal = {Mathematica Bohemica},
     pages = {41--61},
     publisher = {mathdoc},
     volume = {133},
     number = {1},
     year = {2008},
     doi = {10.21136/MB.2008.133946},
     mrnumber = {2400150},
     zbl = {1199.34065},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/MB.2008.133946/}
}