RESEARCH OF MICRORELIEF AND STRUCTURE OF THE SURFACE LAYER BY LASER AND ULTRASONIC THERMO-STRAINING TREATMENT OF TOOL STEEL
Vìsnik Nacìonalʹnogo tehnìčnogo unìversitetu Ukraïni "Kiïvsʹkij polìtehničnij ìnstitut». Serìâ Mašinobuduvannâ