@misc{Nasrin_Afshar_Sphere,
 author={Nasrin Afshar},
 howpublished={online},
 publisher={Изд-во НАН РА},
 type={Հոդված},
 title={Sphere packing bound for E-capacity of secrecy leakage of the broadcast channel with confidential messages},
 keywords={Mathematics, Computer software},
}