@article{10_4064_ap104_1_2,
     author = {Yuqiang Feng and Xincheng Ding},
     title = {On the  solvability of  a  fourth-order
 multi-point boundary value problem},
     journal = {Annales Polonici Mathematici},
     pages = {13--22},
     publisher = {mathdoc},
     volume = {104},
     number = {1},
     year = {2012},
     doi = {10.4064/ap104-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap104-1-2/}
}