Bjorn, A., & Bjorn, J. Nonlinear potential theory on metric spaces.
Cita Chicago (17th ed.)Bjorn, Anders, i Jana Bjorn. Nonlinear Potential Theory on Metric Spaces.
Cita MLA (9th ed.)Bjorn, Anders, i Jana Bjorn. Nonlinear Potential Theory on Metric Spaces.
Atenció: Aquestes cites poden no estar 100% correctes.