\bib{1976/belaga} \yr 1976 \mr 53:13141 \by Edward G. Belaga \paper The additive complexity of a natural number \jour Soviet Mathematics Doklady \issn 0197--6788 \vol 17 \pages 5--9 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1976/\allowbreak belaga \endref