The structures representing the document flow processes in an organization are considered by synthesizing them from the simplest structures. Presented in the form of graphs the processes of movement of documents become formalized and unambiguously defined. Using classification of typical structures of information flows and available mathematical model of management system, it is possible to formalize processes of movement of documents and their interaction in the form of management model, and also to make technical specification for development of information system and finished formalized statement of the problem of structure-parametric synthesis