Bjørkavåg , MagnarKalisch , HenrikKhorsand , Zahra and Mitsotakis , Dimitrios. (2016). Legendre Pseudospectral Approximation of Boussinesq Systems and Applications to Wave Breaking.
            <i>Journal of Mathematical Study</i>. <i>49</i> (3).
            221-237.
         doi:10.4208/jms.v49n3.16.02