Kernel sources for 2.6.5.-7.104-smp kernel

Hi, I've installed suse 9.1 and kernel 2.6.5.-7.104-smp . Now I would like to add kernel sources to recompile pwc module for usb camera. But can't get proper kernel sources through YAST (only kernel 2.6.4-52 is available). Any advice, where to get those sources ? Thanks in advance, regards, Robert.