@ARTICLE{somol04,
AUTHOR = {Petr Somol and Pavel Pudil and Josef Kittler},
TITLE = {Fast Branch & Bound Algorithms for Optimal Feature Selection},
JOURNAL = {IEEE Trans. on PAMI},
VOLUME = {26},
NUMBER = {7},
YEAR = {2004},
PAGES = {900--912},
PUBLISHER = {IEEE Computer Society},
}