01014nam a2200289 i 450099100370240970753620021220115410.0020905s2001 us ||| | eng 0817639144b1185036x-39ule_instLE01313665ExLDip.to Matematicaeng516.242AMS 51-01LC QA533.G45Gelfand, Izrail Moiseevic 41184Trigonometry /I. M. Gelfand, Mark SaulBoston ; Basel ; Berlin :Birkhauser,c2001x, 229 p. :ill. ;23 cmPlane trigonometrySaul, Markauthorhttp://id.loc.gov/vocabulary/relators/aut56173.b1185036x25-06-1220-12-02991003702409707536LE013 51-XX GEL11 (2001)12013000135632le013-E0.00-l- 01010.i1210293320-12-02Trigonometry341509UNISALENTOle01301-01-02ma -engus 01