1. M. Herve, ?Analytic and plurisubharmonic functions in finite and infinite dimensional spaces,?Springer Lect. Notes Math.,198 (1971).
2. M. Brelot, ?Sur la théorie autonome des fonctions sousharmonique,?Bull. Sci. Math.,65, 72?98 (1941).
3. J. Riihentaus and P. M. Tamrazov,Subharmonic and Plurisubharmonic Extensions of Functions, Preprint No. 91.15, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1991).
4. P. M. Tamrazov,Almost Subharmonic Functions, Their Analogs in Complex Spaces, and the Removal of Singularities [in Russian], Preprint No. 87.32, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1987).
5. P. M. Tamrazov, ?Removal of singularities of subharmonic and plurisubharmonic functions and their generalizations,?Ukr. Mat. Zh.,40, 683?694 (1988).