By NBS, M
By Smith, Rc
By Hoel, Paul G.
By Gass, Saul I.
By John F. O′Hanlon
By Gohberg, I., Lancaster, P., Rodman, L.
By Salas, S.L., Hille, Einar
By Hettmansperger, Thomas P.
By Hoel, Paul Gerhard, Hoel
By Agresti, Alan
By O′Donovan, Thomas M.
By Gilchrist, W
By Lawler, LENSTRA, RINNOOY
By WILLAMS, HP
By WAIT, R
By Walsh, G. R.
By Thompson, J. M. T., Stewart, H. B.
By Rogers, LCG
By Smith, Ian M., Griffiths, D. V.
By Walsh, GR
By Smith, P.
By Barnett, Lewis
By Wonnacott, Thomas H., Wonnacott, Ronald J.
By Zienkiewicz, O. C., Morgan, K.
By A. C. BAJPAI, I. M. Calus, J. A. Fairley
By Glowinski, R
By Smith, Laurence D.