00734nam0-22002771i-450-99000507961040332119990530000507961FED01000507961(Aleph)000507961FED0100050796119990530g19699999km-y0itay50------baitay-------001yystyleThe problem and its solutionby Bennison GrayParis [etc.]Mouton1969.117 p.25 cmSeries maior3Gray,Bennison131800ITUNINARICAUNIMARCBK990005079610403321YD 1 3Fil. Mod. 17614FLFBCFLFBCStyle536224UNINA