@article{10_4064_ap_37_2_135_148,
     author = {Z. Krzeszowiak-Dybiec},
     title = {On differentiable solutions of some systems of functional equations of p-th order},
     journal = {Annales Polonici Mathematici},
     pages = {135--148},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {1980},
     doi = {10.4064/ap-37-2-135-148},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-37-2-135-148/}
}