@article{PMF_1936_43_1_a3,
     author = {Kostitzin, V. A.},
     title = {Sur l'\'equation de {Laplace} dans un milieu stratifi\'e},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {33--54},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1936},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PMF_1936_43_1_a3/}
}