Classification
MSD - Mathematical methods in physics
126
PKK - Theory of fields and particles - general
15
PBA - Quantum theory
13
MGC - Differential geometry
12
PBG - Relativity, gravitation
12
MKBC - Boundary problems, eigenvalue problems of PDE
11
MSB - Chaos, nonlinear dynamical systems
11
MRB - Special functions, special polynomials
10
PKC - Elementary particles, nuclei - general theory
10
MAF - Mathematics - general series
9
MKB - Partial differential equations
9
PKKA - Quantum field theory
9
MFD - Group theory, representation theory
8
MNLB - Computational methods in physics
8
PKKG - Gauge field theory
8
FAN - Solid state physics - mathematical methods, computer applications
7
MFE - Algebras
7
MIDB - Algebraic topology
7
MIDC - Topological manifolds
7
MSA - Mathematical methods - general
7
PCBB - Statistical mechanics
7
PKKI - Theory of strings
7
PLA - Astrosciences - general
7
MIED - Operators, functionals
6
MKBH - Nonlinear PDE
6
PAE - Physics - general interest
6
PBB - Quantum theory - special methods
6
AFP - Research institutions - non-Europe
5
M - Mathematics ( journals )
5
MIAB - Infinitesimal calculus, foundations and textbooks
5
MLH - Integral transforms
5
PAD - Physics - comprehensive works
5
PAM - Physics - miscellaneous topics
5
PAN - Physics - mathematical methods and computer applications
5
PKA - Elementary particles, nuclei - general
5
MKD - Integral equations, integrodifferential equations
4
MNC - Difference equations, difference methods
4
MNH - Numerical solutions of PDE
4
P - Physics ( journals )
4
PCB - Statistical physics
4
PDA - Mechanics - general
4
011 - Simulation Science (advanced reading)
3
FAAA - Crystallography - reference books
3
FANE - Computational solid state physics
3
FCA - Crystallography
3
MKAC - Boundary problems, eigenvalue problems of ODE
3
MKBA - Formal theory and solutions of PDE
3
MLF - Fourier analysis
3
MNE - Interpolations and approximations
3
MNHB - Boundary problems, eigenvalue problems of PDE - numerical methods
3
more ...