Authors: ABELLANAS L ONTALBA CM

Citation: L. Abellanas et Cm. Ontalba, LIE SYMMETRIES VERSUS INTEGRABILITY IN EVOLUTION-EQUATIONS, Journal of physics. A, mathematical and general, 26(23), 1993, pp. 1229-1232

Authors: ABELLANAS L MCLELLAN AT

Citation: L. Abellanas et At. Mclellan, STAGE OF CHANGE BY DRUG-PROBLEM IN CONCURRENT OPIOID, COCAINE, AND CIGARETTE USERS, Journal of psychoactive drugs, 25(4), 1993, pp. 307-313