%0 Journal Article %A H. S. Mustafaev %A M. T. Karaev %T Expansion of the element $\sin a$ in exponentials for Hermitian $a$ %J Zapiski Nauchnykh Seminarov POMI %D 2000 %P 253-257 %V 270 %U http://geodesic.mathdoc.fr/item/ZNSL_2000_270_a10/ %G ru %F ZNSL_2000_270_a10