Citation:
V. B. Alekseev, A. V. Smirnov, “On the Exact and Approximate Bilinear Complexities of Multiplication of 4×2 and 2×2
Matrices”, Mathematics and Informatics, 2, Dedicated to 75th Anniversary of Anatolii Alekseevich Karatsuba, Sovrem. Probl. Mat., 17, Steklov Math. Institute of RAS, Moscow, 2013, 135–152; Proc. Steklov Inst. Math., 282, suppl. 1 (2013), S123–S139