01042nas 2200385 a 450 99620980400331620240413015810.01361-6420(OCoLC)34482018(CKB)954925499121(CONSER)sn 96036198(DE-599)ZDB1477292-9(EXLCZ)9995492549912119960328a19859999 sy engurmn#---auuuntxtrdacontentcrdamediacrrdacarrierInverse problems[London?] IOP Pub.1985-Title from title screen.Refereed/Peer-reviewed0266-5611 MathematicsPeriodicalsMathématiquesPériodiquesElectronic journalsMathematicsMathématiquesElectronic journals.Institute of Physics (Great Britain)JOURNAL996209804003316Inverse problems82335UNISA