@article{TM_1992_193_a35,
     author = {A. V. Tyrin},
     title = {On the {Dirichlet} problem for harmonic maps},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {189--191},
     year = {1992},
     volume = {193},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1992_193_a35/}
}