Lenin A I

Publications in Math-Net.Ru

1. Accelerated algorithms for multiplication of a transposed vector by matrices $\begin{Vmatrix}G&O\\O&G_T\end{Vmatrix}$ and $\|GG^T\|$
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1980, no. 1,  34–38