<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Yuri Tambotsev,<div><br></div><div><span class="Apple-tab-span" style="white-space: pre; "> </span>See my definition in <span class="Apple-style-span" style="text-decoration: underline; -webkit-text-decorations-in-effect: underline; ">La quete des invariants interlangues: la linguistique est-elle une science ?</span>, Paris, Champion, 2006 (reviewed in <i>LT</i> 12/2) , and in a number of articles in French and English.<div><br></div><div>Best wishes.<br></div></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div>Gilbert Lazard</div><div>49 av. de l'Observatoire, F-75014</div><div><br></div><div><a href="mailto:gilzard@orange.fr">gilzard@orange.fr</a></div><div><br></div></span><br class="Apple-interchange-newline"> </div><br></body></html>