Yuchi Kanzawa Yasunori Endo Sadaaki Miyamoto Fuzzy Classification Function of Standard Fuzzy c-Means Algorithm for Data with Tolerance Using Kernel Function. 122-133 2008 MDAI http://dx.doi.org/10.1007/978-3-540-88269-5_12 conf/mdai/2008 db/conf/mdai/mdai2008.html#KanzawaEM08