@article{RM_1993_48_3_a0,
     author = {J. Davidov and A. G. Sergeev},
     title = {Twistor spaces and harmonic maps},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--91},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1993_48_3_a0/}
}