00293nam a2200121Ia 4500008004100000100001500041245003700056260002900093300000900122650001600131942000700147999001700154190216s9999||||xx |||||||||||||| ||und|| aPeter Linz 0aFormal Languages And Automations bNarosha Publishingc2011 a2011 aMathematics cBK c32330d32330