04198613

a

04198613 Filippov, V.M. On the variational method for ultraparabolic equations. Analysis of information-computational systems, Collect. Sci. Works, Moskva, 107-111 (1986). 1986 RU existence uniqueness minimum element Zbl 0696.00028 [For the entire collection see Zbl 0696.00028.] Let the bounded domain $\Omega =\{(x,t)=(x,t\sb 1,...,t\sb N):$ $a