シュワルツ超函数
(2001), “Generalized function”, in Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.encyclopediaofmath.org/index.php?title=Generalized_function .
Vladimirov, V.S. (2001), “Generalized functions, space of”, in Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.encyclopediaofmath.org/index.php?title=Generalized_functions,_space_of .
Vladimirov, V.S. (2001), “Generalized function, derivative of a”, in Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.