TY - JOUR AU - Siti Mariyam Hj. Shamsuddin AU - Md. Nasir Sulaiman AU - Maslina Darus TI - Classification and Clustering of Printed Mathematical Symbols with Improved Backpropagation andSelf-Organizing Map JO - Bulletin of the Malaysian Mathematical Society PY - 1999 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a5/ ID - BMMS_1999_22_2_a5 ER -