TY  - JOUR
T1  - A note on approximation of the vertex cover and feedback vertex set problems-Unified approach.
JF  - Information processing letters.
A1  - Fujito, Toshihiro
LA  - English
UL  - https://tuklas.up.edu.ph/Record/UP-99796217608727218
KW  - Combinatorial problems.
KW  - Design of algorithms.
KW  - Optimization.
ER  -