@article{ZNSL_1980_100_a5,
     author = {V. V. Ishkhanov},
     title = {Duality mappings for {Galois} cohomology},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {81--85},
     publisher = {mathdoc},
     volume = {100},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_100_a5/}
}