TY  - BOOK
AU  - Andreescu, Titu; Mushkarov, Oleg; Stoyanov,  Luchezar
TI  - Geometric Problems on Maxima and Minima
SN  - 9788184898866
PY  - 2011///
CY  - New Delhi
PB  - Birkhauser-Springer
ER  -