@article{PMF_1895_6_1_a6,
     author = {Stod\'o{\l}kiewicz, A. J.},
     title = {O ca{\l}kowaniu r\'owna\'n r\'o\.zniczkowych cz\k{a}stkowych},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {129--138},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1895},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1895_6_1_a6/}
}