@article{ZNSL_1994_211_a13,
     author = {A. L. Smirnov},
     title = {A supersingularity criterion of elliptic curves},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {158--160},
     publisher = {mathdoc},
     volume = {211},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a13/}
}