@article{AL_2004_43_5_a2,
     author = {Ch. K. Gupta and E. I. Timoshenko},
     title = {Criterion for {Invertibility} of {Endomorphisms} and {Test} {Rank} of {Metabelian} {Products} of {Abelian} {Groups}},
     journal = {Algebra i logika},
     pages = {565--581},
     publisher = {mathdoc},
     volume = {43},
     number = {5},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2004_43_5_a2/}
}