TY  - JOUR 
T1  - Computational complexity of classical problems for hereditary clique-helly graphs
JO  - Pesquisa Operacional
A1  - Bonomo, Flavia
A1  - Durán, Guillermo
SN  - 0101-7438
UL  - 10.1590/S0101-74382004000300006
VL  - 24 
Y1  - 2004
PB  - Brasil 
ER  -