string(211) "select * FROM articoli_opac WHERE fonte <> 'ISI' AND fonte='ACNP' AND fasc_issn='10171398' order by level desc, fasc_key desc, NULLIF(regexp_replace(pagina_ini, E'\\D', '', 'g'), '')::int asc offset 50 limit 25"
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Citation: G.le Vey, Some remarks on solvability and various indices for implicit differential equations, Numerical algorithms , 19(1/4), 1998, pp. 127-146
Citation: Q.he,l.kang,d.j.evans, Convergence and stability of the finite difference scheme for nonlinear parabolic systems with time delay, Numerical algorithms , 16(2), 1997, pp. 129-154