@article{10_14708_ma_v24i38_1834,
     author = {Adam Piskorek},
     title = {On {Janmann-Zaremba} time derivative},
     journal = {Mathematica Applicanda},
     pages = { 51--80},
     year = {1995},
     volume = {24},
     number = {38},
     doi = {10.14708/ma.v24i38.1834},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v24i38.1834/}
}