%0 Journal Article %A Morita, Katuhiko %A Sato, Osamu %T A method of constructing general contact tangential charts %J Applications of Mathematics %D 1973 %P 238-248 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103476/ %R 10.21136/AM.1973.103476 %G en %F 10_21136_AM_1973_103476