A non-classical variational problem arising from an optimal filter problem. II Leonard D. BerkovitzHarry Pollard OriginalPaper Pages: 161 - 172
On the maximum rate of decay of solutions of parabolic differential inequalities Hajimu Ogawa OriginalPaper Pages: 173 - 177
Propagation of zeroes and uniqueness in the Cauchy problem for first order partial differential equations E. C. Zachmanoglou OriginalPaper Pages: 178 - 188