References
- Rykalin , N N . 1951 . “ ‘Calculation of thermal processes in welding’ ” . Moscow : Publ Mashgiz .
- Lykov , A V . 1967 . “ ‘Heat conductivity theory’ ” . Moscow : Publ Vysshaya shkola .
- Butkovskii , A G . 1965 . “ ‘Theory of optimum control of systems with distributed parameters’ ” . Moscow : Publ Nauka .
- Melyukov , V V . 1996 . ‘Optimisation of the thermal regime of the welding process’ . Svar Proiz , : 9 – 11 .
- Berezin , I S and Zhidkov , N P . 1962 . “ ‘Computation methods’ ” . Vol. 2 , Moscow : Publ Fizmatgiz .