@article{702317,
     title = {On the transfer of conditions as applied to solving two-dimensional boundary value problems},
     booktitle = {Equadiff 5},
     series = {GDML\_Books},
     publisher = {BSB B.G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1982},
     pages = {339-343},
     zbl = {0538.35027},
     url = {http://dml.mathdoc.fr/item/702317}
}

Taufer, Jiří. On the transfer of conditions as applied to solving two-dimensional boundary value problems, dans Equadiff 5, GDML_Books,  (1982), pp. 339-343. http://gdmltest.u-ga.fr/item/702317/