@article{10_4064_ap_38_2_195_200,
     author = {Jan Bochenek},
     title = {Dependence of a differential equation on the first eigenvalue of a suitable problem},
     journal = {Annales Polonici Mathematici},
     pages = {195--200},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1980},
     doi = {10.4064/ap-38-2-195-200},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-195-200/}
}