%0 Book Section %B Open Problems in Mathematical Systems and Control Theory %D 1999 %T Stable estimates in equation-error identification: an open problem %A R. López-Valcarce %A S. Dasgupta %B Open Problems in Mathematical Systems and Control Theory %I Springer-Verlag %@ 1-85233-044-9 %G eng %U http://perso.uclouvain.be/vincent.blondel/books/openprobs/ %& 28