Classification
516 - Geometry
64
510 - Mathematics
31
512 - Algebra
14
514 - Topology
6
515 - Analysis
5
006 - Special computer methods
4
511 - General principles of mathematics
3
003 - Systems
1
302 - Social interaction
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1
621 - Applied physics
1
770 - Photography, photographs & computer art
1