The art to keep in touch - the "good use" of lagrange multipliers.

Antoine Jonquet Olivier Nocent Yannick Rémion The art to keep in touch - the "good use" of lagrange multipliers. 47-56 2007 conf/grapp/2007-2 GRAPP (AS/IE) db/conf/grapp/grapp2007-2.html#JonquetNR07