16Yxx Generalizations, {For nonassociative rings, See 17-xx} ( 0 Dok. )

• 16Y30 Near-rings, See also {12K05} ( 0 Dok. )
• 16Y60 Semirings, See also {12K10} ( 0 Dok. )
• 16Y99 None of the above but in this section ( 0 Dok. )