Springer and the Iranian Mathematical Society (IMS)Bulletin of the Iranian Mathematical Society1017-060X40120140201A lower estimate of harmonic functions17479ENGuoshuangPanBeijing National Day SchoolLeiQiaoDepartment of Mathematics and Information Science, Henan University of Economics and Law, Zhengzhou, People's Republic of ChinaGuantieDengSchool of Mathematical
Science, Beijing Normal University, Beijing, People's Republic of China.Journal Article20120910We shall give a lower estimate of harmonic functions of order greater than one in a half space, which <br />generalize the result obtained by B. Ya. Levin in a half plane.http://bims.iranjournals.ir/article_479_2cdf12321f02f3726af6042859a49ca3.pdf