{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Congruences of a Finite Lattice: A \"Proof-by-Picture\" Approach","author_name":"George Grätzer","thumbnail_url":"https://www.ebooknetworking.net/books/331/938/big3319387960.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3319387960.html\">The Congruences of a Finite Lattice: A &quot;Proof-by-Picture&quot; Approach</a>","width":400,"height":300}