TY  - JOUR
AU  - E. P. Dolzhenko
AU  - E. A. Sevast'yanov
TI  - Approximations of functions in the Hausdorff metric by piecewise monotonic (in particular, rational) functions
JO  - Sbornik. Mathematics
PY  - 1976
SP  - 449
EP  - 477
VL  - 30
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1976_30_4_a2/
LA  - en
ID  - SM_1976_30_4_a2
ER  -