@article{01345008,
title = {Solution of some plane filtration problems with partially unknown boundaries.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {15},
year = {1998},
pages = {109-138},
zbl = {0936.34017},
language = {en},
url = {http://dml.mathdoc.fr/item/01345008}
}
Tsitskishvili, Avtandil. Solution of some plane filtration problems with partially unknown boundaries.. Memoirs on Differential Equations and Mathematical Physics, Tome 15 (1998) pp. 109-138. http://gdmltest.u-ga.fr/item/01345008/