%0 Journal Article %A Siti Mariyam Hj. Shamsuddin %A Md. Nasir Sulaiman %A Maslina Darus %T Classification and Clustering of Printed Mathematical Symbols with Improved Backpropagation andSelf-Organizing Map %J Bulletin of the Malaysian Mathematical Society %D 1999 %V 22 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a5/ %F BMMS_1999_22_2_a5