Liangrui Peng Changsong Liu Xiaoqing Ding Jianming Jin Youshou Wu Hua Wang Yanhua Bao Multi-font printed Mongolian document recognition system. 93-106 2010 13 Int. J. Document Anal. Recognit. 2 https://doi.org/10.1007/s10032-009-0106-8 db/journals/ijdar/ijdar13.html#PengLDJWWB10