08XX 


General algebraic systems 


0800 
General reference works (handbooks, dictionaries, bibliographies, etc.) 


0801 
Instructional exposition (textbooks, tutorial papers, etc.) 


0802 
Research exposition (monographs, survey articles) 


0803 
Historical (must also be assigned at least one classification number from Section 01) 


0804 
Explicit machine computation and programs (not the theory of computation or programming) 


0806 
Proceedings, conferences, collections, etc. 

08Axx 

Algebraic structures [See also 03C05] 

08Bxx 

Varieties [See also 03C05] 

08Cxx 

Other classes of algebras 