Publications listed in MathSciNet

[1]	Jae-Seong Cho. An algebraic version of subelliptic multipliers. Michigan Math. J., 54(2):411-426, 2006.
[2]	Jae-Seong Cho and Chong-Kyu Han. Complete prolongation and the Frobenius integrability for overdetermined systems of partial differential equations. J. Korean Math. Soc., 39(2):237-252, 2002.

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