Citations refer to the original publication, not to a Scieee localized version.
Delgado Delgado, M., López Gómez, J., & Suárez Fernández, A. (2004). Combining linear and nonlinear diffusion. De Gruyter. https://doi.org/10.1515/ans-2004-0303
Delgado Delgado, Manuel, et al. Combining linear and nonlinear diffusion. De Gruyter, 2004. https://doi.org/10.1515/ans-2004-0303.
Delgado Delgado, Manuel, Julián López Gómez, and Antonio Suárez Fernández. Combining linear and nonlinear diffusion. De Gruyter, 2004. https://doi.org/10.1515/ans-2004-0303.
Delgado Delgado, M., López Gómez, J. and Suárez Fernández, A. (2004) Combining linear and nonlinear diffusion. De Gruyter. Available at: https://doi.org/10.1515/ans-2004-0303.
M. Delgado Delgado, J. López Gómez, and A. Suárez Fernández, “Combining linear and nonlinear diffusion,” De Gruyter, 2004, doi: 10.1515/ans-2004-0303.
@misc{delgadodelgado2004combining,
author = {Delgado Delgado, Manuel and López Gómez, Julián and Suárez Fernández, Antonio},
title = {Combining linear and nonlinear diffusion},
year = {2004},
publisher = {De Gruyter},
doi = {10.1515/ans-2004-0303},
url = {https://doi.org/10.1515/ans-2004-0303}
}
The source metadata has no journal, volume or pages. Add them from the original publication if your citation needs them.