TY - JOUR AU - A. S. Ivachev TI - Research of differentiable modulo $p^n$ functions JO - Prikladnaya Diskretnaya Matematika. Supplement PY - 2014 SP - 19 EP - 22 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDMA_2014_7_a6/ LA - ru ID - PDMA_2014_7_a6 ER -