TY JOUR TI PROBLEMS OF COMPETITIVENESS IN THE MARKET OF PUBLIC CATERING SERVICES OF SAINT PETERSBURG KW public catering establishments KW restaurant market KW competitiveness KW service JO Services in Russia and abroad AU Pecheritsa, E.V. AU Tatiana O. POPOVA, T.O. AU TESTINA, J.S. AU KUCHUMOV, A.V. PY 2017 IS 11 PB Russian State University of Tourism and Service