00960nam a2200277 i 450099100080497970753620020506124205.0970307s1974 us ||| | eng b10131966-39ule_instLE00637134ExLDip.to Fisicaita510(06)510.93512Hermann, Robert346495Algebraic topics of importance in systems theory /Robert HermannBrookline, MA :Math Sci Press,c1974ix, 176 p. ;21 cm.Interdisciplinary mathematics ;3Algebra.b1013196617-02-1727-06-02991000804979707536LE006 510(021) HER12006000018555le006-E0.00-l- 00000.i1015479627-06-02Algebraic topics of importance in systems theory186056UNISALENTOle00601-01-97ma -engus 01