%0 Journal Article
%T Some Unsolved Problems in Problem Solving
%J OR: Operational research quarterly (1953)
%D 1962
%A Ackoff, Russell L.
%V 13
%N 1
%P 1-11
%X <p>[Abstract unavailable]</p>
%G 
%I Pergamon Press
%@ 1473-2858
%U http://dx.doi.org/