A New Class of WA-Systems of Kravchenko–Rvachev Functions

Academician Yu. V. Gulyaev, V. F. Kravchenko, and Academician V. I. Pustovoit
A New Class of WA-Systems of Kravchenko–Rvachev Functions
Doklady Mathematics, 2007, Vol. 75, No. 2, pp. 325–332.