@article{IVM_2004_10_a5,
     author = {A. V. Stolyarov},
     title = {Conformal differential geometry of planar orthogonal nets},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {61--70},
     year = {2004},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2004_10_a5/}
}