@article{CMFD_2006_16_a8,
     author = {A. G. Sergeev},
     title = {Harmonic maps into loop spaces of compact {Lie} groups},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {136--145},
     publisher = {mathdoc},
     volume = {16},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2006_16_a8/}
}