<?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></authors></contributors><titles><title><style face="normal" font="default" size="100%">A $\mathcal O(n)$ algorithm for the discrete best $L_4$ monotonic approximation problem</style></title><secondary-title><style face="normal" font="default" size="100%">Econometrics and Statistics</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year></dates><volume><style face="normal" font="default" size="100%">Vol. 17</style></volume><pages><style face="normal" font="default" size="100%">130-144</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>