TY  - JOUR
AU  - A. N. Bakhvalov
TI  - Waterman classes and piecewise monotone approximations
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2009
SP  - 46
EP  - 48
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2009_6_a7/
LA  - ru
ID  - VMUMM_2009_6_a7
ER  -