The Economic-mathematical model of the integrated structure constructed on the basis of modified model of interbranch balance of V. Leontev
World financial crisis has forced to reconsider sights at constructions existing the expert-pekty and uses of models of large corporate structures. The model presented in article is updating of known static model of V.Leontev and considers specificity of research-and-production associations, and also interrelation of the technologically-connected enterprises.