VOL.10 NO.2 JUNE 1993

• Nakamura, Y.: ``Completely Integrable Gradient Systems on the Manifolds of Gaussian and Multinomial Distributions,'' p.179-
• Okamoto, H. and Shoji, M.: ``Bifurcation Diagrams in Kolmogorov's Problem of Viscous Incompressible Fluid on 2-D Flat Tori,'' p.191-
• Okada, M. and Makino, T.: ``Free Boundary Problem for the Equation of Spherically Symmetric Motion of Viscous Gas,'' p.219-
• Tabata, M.: ``Decay of Solutions to the Cauchy Problem for the Linearized Boltzmann Equation with Some External-force Potential,'' p.237-
• Sekitani, K. and Yamamoto, Y.: ``A Recursive Algorithm for Finding the Minimum Covering Sphere of a Polytope and the Minimum Covering Concentric Spheres of Several Polytopes,'' p.255-
• Suzuki, S. and Adachi, Y.: ``Design Techniques for Multilayer Simulation Type Embedding Networks by Means of First-Order Transformations,'' p.275-
• Simos, T.E.: ``A Family of Two-step Almost $P$-stable Methods with Phase-lag of Order Infinity for the Numerical Integration of Second Order Periodic Initial-value Problems,'' p.289-
• Ozawa K.: ``Attainable Order of Adams Type Linear Multistep Multiderivative Method with Nonnegative Coefficients for Solving Initial Value Problems,'' p.299-
• Aizicovici, S. and Papageorgiou, N.S.: ``Infinite Dimensional Parametric Optimal Control Problems,'' p.307-
• Donato, P. and Paulin, J.S.J.: ``Homogenization of the Poisson Equation in a Porous Medium with Double Periodicity,'' p.333-