Classification
512 - Algebra
43
515 - Analysis
38
516 - Geometry
29
514 - Topology
27
517 - [Unassigned]
14
513 - Arithmetic
11
519 - Probabilities & applied mathematics
10
531 - Classical mechanics; solid mechanics
8
510 - Mathematics
6
530 - Physics
6
511 - General principles of mathematics
5
164 - [Unassigned]
2
523 - Specific celestial bodies & phenomena
2
518 - Numerical analysis
1
532 - Fluid mechanics; liquid mechanics
1
577 - Ecology
1
605 - Serial publications
1
621 - Applied physics
1