TY JOUR TI COMMUNICATION OF COMMON AND MARGINAL CHARACTERISTICS OF CONDITIONS IN A TWO-CHANNEL SYSTEM WITH SIMPLE STREAMLINES OF APPLICATIONS KW queuing system KW two devices KW Poisson incoming flow KW queue length KW marginal characteristics KW recurrence relations JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Popov, G.. PY 2017 IS PB Astrakhan State Technical University