A generalized knowledge-based system for the recognition of unconstrained handwritten numerals. - Tuan A. Mai; Ching Y. Suen (IEEE Trans. Syst. Man Cybern., 1990)

Computer recognition of unconstrained handwritten numerals. - Ching Y. Suen; Christine P. Nadal; Raymond Legault; Tuan A. Mai; Louisa Lam (Proc. IEEE, 1992)