On the nucleity conditions of integral operators and the existence of $S$ matrices in the scalar scattering problem on an infinite boundary and
local potential
Citation Example:Ramm A. G. On the nucleity conditions of integral operators and the existence of $S$ matrices in the scalar scattering problem on an infinite boundary and
local potential // Ukr. Mat. Zh. - 1965. - 17, № 3. - pp. 84-90.