Lie Algebras of Projective Motions of Five-Dimensional H-Spaces H221 of Type {221}We study five-dimensional pseudo-Riemannian
h-spaces $
H_{221}$ of type $\{221\}$.Necessary
(NH4)2B4O7-N2H4CO(N2H4CS)-H2O SYSTEMS AT 25-DEGREES-C(NH4)2B4O7-N2
H4CO(N2
H4CS)-
H2O SYSTEMS AT 25-DEGREES-C
STUDY OF H3BO3-HCONH2(HCONC2H6)-H2O SYSTEMS AT 25-DEGREES-CSTUDY OF
H3BO3-HCONH2(HCONC2
H6)-
H2O SYSTEMS AT 25-DEGREES-C