<![CDATA[ Search for '(su:{Differential equations, Partial.}) and su-to:Differential equations, Partial and su-to:Difference equations']]> http://lib.buet.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%7BDifferential%20equations%2C%20Partial.%7D%29%20and%20su-to%3ADifferential%20equations%2C%20Partial%20and%20su-to%3ADifference%20equations&format=rss2 2 0 50