@article{10_4064_ap_13_3_279_283,
     author = {Z. Stojek},
     title = {The proof of the uniqueness of the solution of a mixed problem for a class of partial differential equations of even order},
     journal = {Annales Polonici Mathematici},
     pages = {279--283},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1963},
     doi = {10.4064/ap-13-3-279-283},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-13-3-279-283/}
}