Viktor Georgievich Kalupov

• Kompleksnai͡a︡ mekhanizat͡s︡ii͡a︡ ucheta i vychislitelʹnykh rabot v gosudarstvennoĭ torgovie
• Kompleksnaya mekhanizatsiya ucheta i vychislitel'nykh rabot v gosudarstvennoi torgovle