CHINESE JOURNAL OF APPLIED PROBABILITY AND STATISTICS     2008 24 (6):  581-584    ISSN: 1001-4268:  CN: 31-1256 / O1 The Ruin Probability of Classical Risk Model and the Distribution of the Cycle Maximum of the M/G/1 Queue Xing Yongsheng, Ma Jianjing College of Mathematics and Information Science, Shandong Institute of Business and Technology Received 1900-01-01  Revised 1900-01-01  Online 2008-11-20 Reference   Corresponding author: Xing Yongsheng