TY  - JOUR
AU  - A. I. Vorob'ev
TI  - Characterizing quasiconvex functions in terms of the Kronrod's tree of a~function
JO  - Sbornik. Mathematics
PY  - 2014
SP  - 777
EP  - 780
VL  - 205
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2014_205_6_a1/
LA  - en
ID  - SM_2014_205_6_a1
ER  -