Morse, M., & Cairns, S. S. (1969). Critical point theory in global analysis and differential topology: An introduction. Academic Press.
Čikaški stil citiranjaMorse, Marston, i Stewart S. Cairns. Critical Point Theory in Global Analysis and Differential Topology: An Introduction. New York: Academic Press, 1969.
MLA način citiranjaMorse, Marston, i Stewart S. Cairns. Critical Point Theory in Global Analysis and Differential Topology: An Introduction. Academic Press, 1969.
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