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The phase transition from the Abrikosov state to the normal state withsuperconducting fluctuations observed below the second critical field andwell-known as vortex lattice melting was one of the most popular problems inthe nineties. This problem had became popular after the discovery of high-Tcsuperconductors because the fluctuation phenomena are much stronger in the HTSCthan in the conventional superconductors. Most people are sure that this sharptransition was observed for the present only in HTSC and are ignorant that itwas observed as far back as 1981, before the HTSC discovery. In the last yearssome papers devoted to the problem of vortex lattice melting in conventionalsuperconductors were published. The authors of these papers and others shouldbe aware of the result obtained before the HTSC discovery. It was found firstin the presented paper that the transition into the Abrikosov vortex state isvery narrow in high quality samples with weak pinning and it is observed belowthe second critical field. These results signify that this phase transition canbe first-order and it is not connected directly with appearance of a finitedensity of superconducting pairs.

Magnetic field dependence of the electrical conductivity in V3Ge in the vicinity of Hc2