<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1450190933742_6561"><br></div><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1450190933742_6553" style="display: block;"><div style="font-family: Courier New, courier, monaco, monospace, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1450190933742_6552"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1450190933742_6551"> <br><br> <div class="y_msg_container" id="yui_3_16_0_1_1450190933742_6595"><div id="yiv7802688515"><div id="yui_3_16_0_1_1450190933742_6599"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" id="yui_3_16_0_1_1450190933742_6598"><div id="yiv7802688515"><div id="yui_3_16_0_1_1450190933742_6597"><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:12pt;background-color:rgb(255, 255, 255);" id="yui_3_16_0_1_1450190933742_6596"><div id="yiv7802688515yui_3_16_0_1_1410459323124_31882" class="yiv7802688515" style="">http://coimbra.lip.pt/~vitaly/TFM_2007/Capitulo5_Parte2.pdf<br class="yiv7802688515" id="yiv7802688515yui_3_16_0_15_1410459323124_5" style=""></div></div></div></div></div></div></div><br><br></div> </div> </div> </div></div></body></html>