{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A proof of Higman's embedding theorem using Britton extensions of groups (Preprint series. Mathematics. 1972:)","author_name":"StaÃŒÅ l Aanderaa","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007AFG3Y.html\">A proof of Higman&#039;s embedding theorem using Britton extensions of groups (Preprint series. Mathematics. 1972:)</a>","width":400,"height":300}