@article{PMF_1894_5_1_a6,
     author = {Boguski, J. J.},
     title = {Przyczynek do rachunk\'ow grafochemicznych},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {47--54},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1894},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1894_5_1_a6/}
}