12531 - The formal theory of Tannaka duality |
12532 - The foundations of arithmetic : a logico-mathematical enquiry into the concept of number |
12533 - The foundations of differential geometry |
12534 - The foundations of geometry - Third edition |
12535 - The foundations of intuitionistic mathematics : especially in relation to recursive functions |
12536 - The Foundations of mathematics and other logical essays |
12537 - The foundations of quantum theory |
12538 - The foundations of quantum theory |
12539 - The foundations of statistics |
12540 - The four-color problem |

