01151nam a2200337 i 450099100146996970753620020507194037.0930511s1991 us ||| | eng 0387975063b10851859-39ule_instLE01312741ExLDip.to Matematicaeng516AMS 52-02AMS 52-XXQA43.G88Croft, Halland T.537289Unsolved problems in geometry /H. T. Croft, K. J. Falconer, R. K. GuyNew York :Springer-Verlag,1991xv, 198 p. ;25 cm.Problem books in mathematics, 0941-3502Unsolved problems in intuitive mathematics ;2GeometryFalconer, Kenneth J.Guy, Richard K..b1085185923-02-1728-06-02991001469969707536LE013 52-XX CRO11 (1991)12013000042398le013-E0.00-l- 06060.i1096335228-06-02Unsolved problems in geometry918425UNISALENTOle01301-01-93ma -engus 01