@article{DAN_1957_114_5_a0,
     author = {R. G. Barantsev},
     title = {A mixed problem for equation $\psi_{\sigma\sigma}-K(\sigma)\psi_{\theta\theta}=0$ with {Cauchy} data given on curve $\theta=s(\sigma)$},
     journal = {Doklady Akademii Nauk},
     pages = {919--922},
     publisher = {mathdoc},
     volume = {114},
     number = {5},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_5_a0/}
}