{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Perturbation of continuious spectra and singular integral operators","author_name":"W Koppelman, J Pincus","thumbnail_url":"https://www.ebooknetworking.net/books/117/995/big1179955188.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1179955188.html\">Perturbation of continuious spectra and singular integral operators</a>","width":400,"height":300}