1 - Generalized Dyson series, generalized Feynman diagrams, the Feynman integral and Feynman s operational calculus |
2 - The Feynman integral and Feynman's operational calculus |
1 - Generalized Dyson series, generalized Feynman diagrams, the Feynman integral and Feynman s operational calculus |
2 - The Feynman integral and Feynman's operational calculus |