Zharkova A. V. «On branching and immediate predecessors of the states in finite dynamic system of all possible orientations of a graph» //  2013. №6 (Приложение) C.76-78
                                                    
                        Zharkova A. V. «On branching and immediate predecessors of the states in finite dynamic system of all possible orientations of a graph» //  2013. №6 C.76-78