• Reduction theory of positive quadratic formsTammela, PaulJournal of Soviet Mathematics1979 / p. 197-276 : ill https://doi.org/10.1007/BF01117520 https://www.scopus.com/sourceid/6100152903 https://www.scopus.com/record/display.uri?eid=2-s2.0-34250267079&origin=resultslist&sort=plf-f&src=s&st1=%22Reduction+theory+of+positive+quadratic+forms%22&sid=3f58576c4e08a4298552e9070fee6831&sot=b&sdt=b&sl=61&s=TITLE-ABS-KEY%28%22Reduction+theory+of+positive+quadratic+forms%22%29&relpos=1&citeCnt=2&searchTerm=