The wildcard cannot be used in this field. Classification codes are represented in the following forms. You may want to add the alternative classifications to your search criteria. The Primary classification is selected by the editors as being the most appropriate for the item among the possible classifications. Every item has a primary classification.
Many items have one or more secondary classifications.
The entire Review Text field can be searched by entering keywords or phrases. TeX codes for mathematical symbols and in names should be omitted. The Journal field contains full and abbreviated journal names from 1980 to the present. MR records prior to 1980 include only journal name abbreviations. Original and translated journal names are searched.