1 - Conformal invariance in quantum field theory
Todorov, Ivan T.   /   Mintchev, M. C.   /   Petkova, V. B.

Cote : [90.5 TOD 78]

2 - Sixteen papers on differential equations
Galin, D. M.   /   Oleinik, Olga Arsenévna (1925-1995)   /   Radkevic, E. V.   /   Petkov, V. M.

Cote : [47.5 GAL 82]