<?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%">I. C. Demetriou</style></author><author><style face="normal" font="default" size="100%">M. J. D. Powell</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The minimum sum of&amp;nbsp;squares change to univariate data that gives convexity</style></title><secondary-title><style face="normal" font="default" size="100%">IMA J.Numer. Analysis</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1991</style></year></dates><volume><style face="normal" font="default" size="100%">11</style></volume><pages><style face="normal" font="default" size="100%">433–448</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>