document.write('
'); document.write('

Error: Feed failed! Causes may be (1) No data found for RSS feed http://link.springer.com/search.rss?facet-content-type=%22Book%22&date-facet-mode=between&previous-start-year=1929&facet-language=%22En%22&facet-end-year=2017&previous-end-year=2017&facet-discipline=%22Mathematics%22&facet-start-year=2016; (2) There are no items are available for this feed; (3) The RSS feed does not validate.

Please verify that the URL http://link.springer.com/search.rss?facet-content-type=%22Book%22&date-facet-mode=between&previous-start-year=1929&facet-language=%22En%22&facet-end-year=2017&previous-end-year=2017&facet-discipline=%22Mathematics%22&facet-start-year=2016 works first in your browser and that the feed passes a validator test.

');