Author: Chrastina, Jan

Chrastina, Jan: Examples from the calculus of variations. III. Legendre and Jacobi conditions. (English). Mathematica Bohemica, vol. 126 (2001), issue 1, pp. 93-111
Chrastina, Jan: Examples from the calculus of variations. IV. Concluding review. (English). Mathematica Bohemica, vol. 126 (2001), issue 4, pp. 691-710
Chrastina, Jan: Examples from the calculus of variations. I. Nondegenerate problems. (English). Mathematica Bohemica, vol. 125 (2000), issue 1, pp. 55-76
Chrastina, Jan: Examples from the calculus of variations. II. A degenerate problem. (English). Mathematica Bohemica, vol. 125 (2000), issue 2, pp. 187-197
Chrastina, Jan: Solution of the inverse problem of the calculus of variations. (English). Mathematica Bohemica, vol. 119 (1994), issue 2, pp. 157-201
Chrastina, Jan: On formal theory of differential equations. III. (English). Mathematica Bohemica, vol. 116 (1991), issue 1, pp. 60-90

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