46-XX Functional analysis {For manifolds modeled on topological linear spaces, see 57Nxx, 58Bxx} 143283
46F05 Topological linear spaces of test functions, distributions and ultradistributions [See also 46E10, 46E35] 2507
46F20 Distributions and ultradistributions as boundary values of analytic functions [See also 30D40, 30E25, 32A40] 420