Prikladnye algoritmy resheni︠i︡a obratnykh zadach geofiziki = Applied algorithms of the solution of inverse geophysical problems : [Sb. stateĭ - Chekunov, Anatoliĭ Vasilʹevich; Bulakh, Evgeniĭ Georgievich (Rezulʹtaty issledovaniĭ po mezhdunarodnym geofizicheskim proektam., 1979)