Penrose, Roger
Roger Penrose Collected Works Volume. 2 1968 - 1975 - New york Oxford university press 2011 - 935 - Roger Penrose Collected Works Volume ; 00002 .
9780199219377
Collected works
Mathematical writings
51(081) PEN
Roger Penrose Collected Works Volume. 2 1968 - 1975 - New york Oxford university press 2011 - 935 - Roger Penrose Collected Works Volume ; 00002 .
9780199219377
Collected works
Mathematical writings
51(081) PEN