@Article{zbMATH03150978,
Author = {Richard S. {Palais}},
Title = {{Natural operations on differential forms}},
FJournal = {{Transactions of the American Mathematical Society}},
Journal = {{Trans. Am. Math. Soc.}},
ISSN = {0002-9947; 1088-6850/e},
Volume = {92},
Pages = {125--141},
Year = {1959},
Publisher = {American Mathematical Society (AMS), Providence, RI},
Language = {English},
Zbl = {0092.30802}
}