USE OF VARIOUS METHODS FOR DETERMINATION OF LEPTOSPIRA HEMOLYTIC-ACTIVITY IN SOLID NUTRIENT MEDIA Article VOLINA E.G., SARUKHANOVA L.E., LEVINA L.F. LABORATORNOE DELO. IZD VO MEDITSINA. 1986.
ON MULTISTAGE QUEUING SYSTEM WITH LOSSES AND ARRIVING FLOW OF PHASE TYPE Article BOCHAROV P.P., SPESIVOV S.S. PROBLEMS OF CONTROL AND INFORMATION THEORY-PROBLEMY UPRAVLENIYA I TEORII INFORMATSII. PERGAMON-ELSEVIER SCIENCE LTD. Vol. 15. 1986. P. 465-474