%0 Journal Article %A Evgeny A. Ivanov %T Harmonic Superfields in $\mathcal N=4$ Supersymmetric Quantum Mechanics %J Symmetry, integrability and geometry: methods and applications %D 2011 %V 7 %U http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a14/ %G en %F SIGMA_2011_7_a14