00795nam0-22002411i-450-990001217170403321000121717FED01000121717(Aleph)000121717FED0100012171720000920d????----km-y0itay50------baengCollected works 1: philosophy and foundations of mathematics. edited by Heytingby Brower, L.E.J.Amsterdam [etc.]Clarendon PressN ew YorkNorth-Holland Pub.Co. ABrouwer,L.E.J.47698ITUNINARICAUNIMARCBK990001217170403321180-A-10-(116415MA1MA1Collected works 1: philosophy and foundations of mathematics. edited by Heyting342886UNINAING01