div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentinstitute-of-mathematics-and-informatics-a-official-site-of-imi-pliskapliska-02pliska-02-1981-061-068pdfhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Institute of Mathematics and Informatics – Official site of IMI-BASpliskaPliska-02Pliska-02-1981-061-068pdf · non-zero submodule of is held: ann annS1l It is easy to see that loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220505025f94381604ade84dd614a5ebhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentinstitute-of-mathematics-and-informatics-a-official-site-of-imi-pliskapliska-02pliska-02-1981-061-068pdfhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Institute of Mathematics and Informatics – Official site of IMI-BASpliskaPliska-02Pliska-02-1981-061-068pdf · non-zero submodule of is held: ann annS1l It is easy to see that loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220505025f94381604ade84dd614a5ebhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentinstitute-of-mathematics-and-informatics-a-official-site-of-imi-pliskapliska-02pliska-02-1981-061-068pdfhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Institute of Mathematics and Informatics – Official site of IMI-BASpliskaPliska-02Pliska-02-1981-061-068pdf · non-zero submodule of is held: ann annS1l It is easy to see that loading=lazy...