@article{10_4064_ap_51_1_147_154,
     author = {L. H. Erbe and H. W. Knobloch},
     title = {A note on boundary value problems for second order differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {147--154},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1990},
     doi = {10.4064/ap-51-1-147-154},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-51-1-147-154/}
}