%0 Journal Article %T Construction of Planar Harmonic Functions %A Jay M. Jahangiri %A Herb Silverman %A Evelyn M. Silvia %J International Journal of Mathematics and Mathematical Sciences %D 2007 %I Hindawi Publishing Corporation %R 10.1155/2007/70192 %X Complex-valued harmonic functions that are univalent and sense-preserving in the open unit disk can be written in the form f=h %U http://www.hindawi.com/journals/ijmms/2007/070192/abs/