K. Clark

Order and the index of singular time-invariant linar systems

S. Campbell, K. Clark, 1981 .

A structural form for higher-index semistate equations. I. theory and applications to circuit and control theory

K. Clark, 1988 .

The numerical solution of some higher-index time-varying semistate systems by difference methods

K. Clark, Kenneth D. Clark, 1987 .

Convergence of BDF approximations for nonsolvable differential algebraic equations

S. Campbell, K. Clark, 1990 .

Numerical solution of boundary value problems in differential-algebraic systems

Linda R. Petzold, L. Petzold, K. Clark, 1989 .

Difference methods for the numerical solution of time-varying singular systems of differential equation

K. Clark, 1986 .