1. Note on linear programming

   • Yukio Suzuki

   OriginalPaper 01 June 1959 Pages: 89 - 105

2. Note on the numerical computation in the discrimination problem

   • Tosio Uematu

   OriginalPaper 01 June 1959 Pages: 131 - 135

3. On the evaluation of the risk index of the railroad crossing

   • Hirojiro Aoyama

   OriginalPaper 01 June 1959 Pages: 163 - 180