@article{ZNSL_1985_146_a10,
     author = {M. G. Tseitlin},
     title = {Quasiconformal instantons},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {191--198},
     publisher = {mathdoc},
     volume = {146},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_146_a10/}
}