us he v ich ▁: ru : М ар ку ше вич , ▁Алек сей ▁Иван ович . ▁ ▁Being ▁the ▁leading ▁figure ▁in ▁the ▁mathematics ▁of ▁Armen ia , ▁a ▁Full ▁Member ▁of ▁Armen ian ▁Academy ▁of ▁Sciences ▁from ▁ 1 9 5 6 , ▁M kh itar ▁Dj rb ash ian ▁did ▁everything ▁possible ▁for ▁the ▁development ▁of ▁Armen ian ▁Mathemat ical ▁School ▁to ▁the ▁high ▁international ▁standards ▁in ▁many ▁branches ▁of ▁mathematics . ▁He ▁was ▁the ▁founder ▁and ▁the ▁director ▁of ▁Institute ▁of ▁Mathemat ics ▁of ▁National ▁Academy ▁of ▁Sciences ▁of ▁Armen ia ▁( 1 9 7 1 – 1 9 8 9 ), ▁then ▁the ▁honor ary ▁director ▁of ▁the ▁same ▁inst itute ▁up ▁to ▁his ▁death ▁on ▁May ▁ 6 , ▁ 1 9 9 4 , ▁of ▁a ▁heart ▁attack . ▁He ▁was ▁the ▁founder ▁of ▁Iz vest i ya ▁N ats ional no i ▁Akadem ii ▁Nau k ▁Armen ii , ▁Mat emat ika ▁( English ▁translation : ▁Journal ▁of ▁Contempor ary ▁Mathemat ical ▁Analysis , ▁Armen ian ▁Academy ▁of ▁Sciences , ▁All erton ▁Press ▁Inc .) ▁ ▁and ▁its ▁editor ▁in ▁chief ▁( 1 9 7 1 – 1 9 9 4 ), ▁the ▁Dean ▁of ▁the ▁Phys ical - Math emat ical ▁and ▁then ▁Mechan ical - Math emat ical ▁Department ▁of ▁Y ere van ▁State ▁University ▁( 1 9 5 7 – 1 9 6 0 ), ▁and ▁the ▁head ▁of ▁the ▁Chair ▁of ▁Function ▁Theory ▁( 1 9 7 8 – 1