@article{PMF_1892_3_1_a3,
     author = {Stod\'o{\l}kiewicz, A. J.},
     title = {O pewn\'ej klasie r\'owna\'n r\'o\.zniczkowych rz\k{e}du pierwszego},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {52--54},
     year = {1892},
     volume = {3},
     number = {1},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1892_3_1_a3/}
}