%0 Journal Article %A Hao Pan %T Lehmer-type congruences for lacunary harmonic sums modulo $p^2$ %J Acta Arithmetica %D 2011 %P 115-127 %V 150 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa150-2-2/ %R 10.4064/aa150-2-2 %G en %F 10_4064_aa150_2_2