@article{ZNSL_1988_167_a14,
     author = {S. M. Natanzon},
     title = {Topological type and moduli of {Riemannian} and {Klein} supersurfaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {179--185},
     publisher = {mathdoc},
     volume = {167},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1988_167_a14/}
}