@article{10_4064_ap_40_3_271_281,
     author = {Jan Bochenek},
     title = {Global inverse problem of the {Sturm-Liouville} type for a linear elliptic partial differential equation of second order},
     journal = {Annales Polonici Mathematici},
     pages = {271--281},
     publisher = {mathdoc},
     volume = {40},
     number = {3},
     year = {1981},
     doi = {10.4064/ap-40-3-271-281},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-40-3-271-281/}
}