TY JOUR TI IMPROVEMENT OF DISCRETIONARY MODEL OF MOBILE APPLICATIONS ACCESS TO SERVICES OF ANDROID OPERATING SYSTEM KW discretionary policy of allocation of access rights KW information security KW operating system Android KW mobile applications JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Kuchin, I.. AU Iksanov, S.. AU Nurgaliev, M.. AU Belov, S.. PY 2016 IS 2016 PB Astrakhan State Technical University