1. |
N. A. Koltovoi, “On the completeness of the linear space of recognition operators for the calculation of estimates and potential function types”, Zh. Vychisl. Mat. Mat. Fiz., 19:2 (1979), 496–507 ; U.S.S.R. Comput. Math. Math. Phys., 19:2 (1979), 231–243 |