Les livres de William F. Trench
1. ELEMENTARY DIFFERENTIAL EQUATIONS
http://digitalcommons.trinity.edu/mono/8/,
previously published by Brooks/Cole Thomson Learning, 2000,
2. ELEMENTARY DIFFERENTIAL EQUATIONS WITH BOUNDARY VALUE PROBLEMS,
http://digitalcommons.trinity.edu/mono/9/,
previously published by Brooks/Cole Thomson Learning, 2000,
3. STUDENT SOLUTIONS MANUAL FOR ELEMENTARY DIFFERENTIAL EQUATIONS AND
ELEMENTARY DIFFERENTIAL EQUATIONS WITH BOUNDARY VALUE PROBLEMS
http://digitalcommons.trinity.edu/mono/10/
previously published by Brooks/Cole Thomson Learning, 2000.
4. INTRODUCTION TO REAL ANALYSIS
http://digitalcommons.trinity.edu/mono/7/,
previously published by Pearson Education, 2003,
5. FUNCTIONS DEFINED BY IMPROPER INTEGRALS
http://digitalcommons.trinity.edu/mono/7/,
previously published by Harper & Row, 1978,
6. THE METHOD OF LAGRANGE MULTIPLIERS,
http://digitalcommons.trinity.edu/mono/7/
previously published by Harper & Row, 1978.
Cours 
