Classification
003 - Systems
1
320 - Political science
1
362 - Social welfare problems & services
1
500 - Natural sciences & mathematics
1
510 - Mathematics
35
511 - General principles of mathematics
1
512 - Algebra
14
513 - Arithmetic
8
514 - Topology
14
515 - Analysis
8
516 - Geometry
51
518 - Numerical analysis
1
523 - Specific celestial bodies & phenomena
1
530 - Physics
4
531 - Classical mechanics; solid mechanics
1