01140nam a2200325 i 450099100134802970753620020507191829.0930408s1990 ne ||| | eng 0792310381b10835052-39ule_instLE01310904ExLDip.to Matematicaeng516.36AMS 53-02AMS 53-XXLC QA649.A75Arnol'd, Vladimir Igorevic22210Singularities of caustics and wave fronts /V. I. ArnoldDordrecht :Kluwer Academic Publishers,1990xiii, 259 p. ;25 cmMathematics and its applications. Soviet series ;62Transl. from the RussianDifferential geometrySingularities.b1083505223-02-1728-06-02991001348029707536LE013 53-XX ARN11 (1990)12013000150000le013-E0.00-l- 01010.i1094444828-06-02Singularities of caustics and wave fronts923960UNISALENTOle01301-01-93ma -engne 01