<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">B. C. DHAGE</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">NONLINEAR QUADRATIC FIRST ORDER FUNCTIONAL INTEGRO-DIFFERENTIAL EQUATIONS WITH PERIODIC BOUNDARY CONDITIONS</style></title><secondary-title><style face="normal" font="default" size="100%">Dynamic Systems and Applications</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">34K10</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://acadsol.eu/dsa/articles/18/23-DSA-138.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">18</style></volume><pages><style face="normal" font="default" size="100%">19</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;In this paper, an existence theorem for the periodic boundary value problems of first order quadratic functional integro-differential equations is proved via a fixed point theorem in Banach algebras and under some mixed generalized Lipschitz and Carath´eodory conditions. The existence theorems for extremal positive solutions are also proved under certain monotonicity conditions.&lt;/p&gt;
</style></abstract><section><style face="normal" font="default" size="100%">303</style></section></record></records></xml>