-
Oswald (1940), "Extremale
quasikonforme Abbildungen und
quadratische Differentiale", Abh. Preuss. Akad. Wiss. Math.-Nat. Kl., 1939 (22): 197, MR 0003242...
-
objects of study, and
particles are
excitations of
these fields. To
differentiale from
quantum field theory,
previously developed field theories were...
- his masterpiece:
Extremale quasikonforme Abbildungen und
quadratische Differentiale ("Extremal
quasiconformal mappings and
quadratic differentials") (1939)...
-
Oswald (1939), "Extremale
quasikonforme Abbildungen und
quadratische Differentiale", Abh. Preuss. Akad. Wiss. Math.-Nat. Kl., 1939 (22): 197, JFM 66.1252...
- 77-89, Part 2 of
article doi:10.1007/BF02566945 Über
quadratische Differentiale mit
geschlossenen Traj****rien und
extremale quasikonforme Abbildungen...