TY  - JOUR
AU  - P. Holický
TI  - A supplement to the paper "Differentiable roads for real functions" by J. G. Ceder
JO  - Fundamenta Mathematicae
PY  - 1972
SP  - 227
EP  - 234
VL  - 77
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-77-3-227-234/
DO  - 10.4064/fm-77-3-227-234
LA  - en
ID  - 10_4064_fm_77_3_227_234
ER  -