TY  - JOUR
AU  - M. I. Dyachenko
TI  - Piecewise monotonic functions of several variables and a theorem of Hardy and Littlewood
JO  - Izvestiya. Mathematics 
PY  - 1992
SP  - 1113
EP  - 1128
VL  - 39
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1992_39_3_a1/
LA  - en
ID  - IM2_1992_39_3_a1
ER  -